Bluetooth Earphones
The powerful compatibility of Bluetooth 5.0 chip enables intelligent connected devices to connect most Bluetooth devices in the market.
The signal transmission is stable, and the headset can be automatically' connected and paired after opening the cover and taking out the headset.
Noise Reduction Technology makes your voice coherent for crystal-clear calls – even in noisy environments such as in an office, cafe or on a bus, train, car, etc.
The powerful compatibility of Bluetooth 5.0 chip enables intelligent connected devices to connect most Bluetooth devices in the market.
The signal transmission is stable, and the headset can be automatically' connected and paired after opening the cover and taking out the headset.
Noise Reduction Technology makes your voice coherent for crystal-clear calls – even in noisy environments such as in an office, cafe or on a bus, train, car, etc.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Enhanced Sound quality: High quality moving coil unit, balance. Adjustment technology, exquisite. Full, layered sound.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Enhanced Sound quality: High quality moving coil unit, balance. Adjustment technology, exquisite. Full, layered sound.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Description:
Product name: Bluetooth headset
Bluetooth version: 5.0
Chip: Jerry 6963A4
Earplug battery capacity: 32mAh
Charging box battery capacity: 250mAh
Drive unit: 13mm
Talk time: 2.5 hours
Playing time: 2.5 hours
Charging time: 1h
Standby time: 130h
Multipoint connection: yes
Wearing meat buns: semi-in-ear
User Manual: Chinese/English
Color: black, pink, yellow
Bluetooth distance: 10 meters
Work market: 6h
Packing: carton packaging
Packing list:
1 * Bluetooth Earphones
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
The powerful compatibility of Bluetooth 5.0 chip enables intelligent connected devices to connect most Bluetooth devices in the market.
The signal transmission is stable, and the headset can be automatically' connected and paired after opening the cover and taking out the headset.
Noise Reduction Technology makes your voice coherent for crystal-clear calls – even in noisy environments such as in an office, cafe or on a bus, train, car, etc.
Description:
Product name: Bluetooth headset
Bluetooth version: 5.0
Chip: Jerry 6963A4
Earplug battery capacity: 32mAh
Charging box battery capacity: 250mAh
Drive unit: 13mm
Talk time: 2.5 hours
Playing time: 2.5 hours
Charging time: 1h
Standby time: 130h
Multipoint connection: yes
Wearing meat buns: semi-in-ear
User Manual: Chinese/English
Color: black, pink, yellow
Bluetooth distance: 10 meters
Work market: 6h
Packing: carton packaging
Packing list:
1 * Bluetooth Earphones
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
The powerful compatibility of Bluetooth 5.0 chip enables intelligent connected devices to connect most Bluetooth devices in the market.
The signal transmission is stable, and the headset can be automatically' connected and paired after opening the cover and taking out the headset.
Noise Reduction Technology makes your voice coherent for crystal-clear calls – even in noisy environments such as in an office, cafe or on a bus, train, car, etc.
Description:
Name: Bluetooth Headset
Bluetooth version: 5.0
Transmission distance: 10 meters
Headphone battery capacity: 30 mA
Rechargeable battery capacity: 300 mA
Packing list:
1 * Bluetooth Earphones
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Description:
Name: Bluetooth Headset
Bluetooth version: 5.0
Transmission distance: 10 meters
Headphone battery capacity: 30 mA
Rechargeable battery capacity: 300 mA
Packing list:
1 * Bluetooth Earphones
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Description:
Name: Bluetooth Headset
Bluetooth version: 5.0
Transmission distance: 10 meters
Headphone battery capacity: 30 mA
Rechargeable battery capacity: 300 mA
Packing list:
1 * Bluetooth Earphones
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
The ergonomic design and lightweight feathers are precisely designed and measured to make your ears completely comfortable.
Description:
Name: Bluetooth Headset
High-definition audio: SBC
Bluetooth version: Bluetooth 5.0
Bluetooth distance: 10M
Headphone charging time: 1.5 hours
Charging time of charging box: 1.5 hours
Touch Control
Support smart noise reduction
Qualcomm apt-X HiFi sound
Packing list:
1 * Bluetooth Headset
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
High-definition audio: SBC
Bluetooth version: Bluetooth 5.0
Bluetooth distance: 10M
Headphone charging time: 1.5 hours
Charging time of charging box: 1.5 hours
Touch Control
Support smart noise reduction
Qualcomm apt-X HiFi sound
Packing list:
1 * Bluetooth Headset
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
High-definition audio: SBC
Bluetooth version: Bluetooth 5.0
Bluetooth distance: 10M
Headphone charging time: 1.5 hours
Charging time of charging box: 1.5 hours
Touch Control
Support smart noise reduction
Qualcomm apt-X HiFi sound
Packing list:
1 * Bluetooth Headset
Note: All images and descriptions are for illustrative purposes only, the color deviation is subject to actual system configuration.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
specifications: 13mm composite film
Distortion rate: THD <1%
Bluetooth distance: effective transmission distance >=15M
Frequency response: 20HZ-20KHz
Sensitivity: 107 B SPL +/- 3dB
Charging parameters: headset: 5V40mA charging support: 5V330mA
Battery capacity: headset: 30mAh charging support: 250mAh (with protection)
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
*Name: Bluetooth Headset
*High-definition audio: SBC
*Bluetooth version: Bluetooth 5.0
*Bluetooth distance: 10M
*Headphone charging time: 1.5 hours
*Charging time of charging box: 1.5 hours
*Touch
*Support smart noise reduction
*Qualcomm apt-X HiFi sound
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Enhanced Sound quality: High quality moving coil unit, balance. Adjustment technology, exquisite. Full, layered sound.
Description:
*Name: Bluetooth Headset
*High-definition audio: SBC
*Bluetooth version: Bluetooth 5.0
*Bluetooth distance: 10M
*Headphone charging time: 1.5 hours
*Charging time of charging box: 1.5 hours
*Touch
*Support smart noise reduction
*Qualcomm apt-X HiFi sound
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
Automatic connection is fully compatible: The powerful chip realizes the intelligent connection between bluetooth headset and various devices.
Enhanced Sound quality: High quality moving coil unit, balance. Adjustment technology, exquisite. Full, layered sound.
Description:
Name: Bluetooth Headset
SMART touch, pop-up compatible
Play time: 3 hours
Product function: automatic switch function between master and slave earphone, call function, music playback
Material technology: environmentally friendly ABS
Protective material
Plug type: lightning charging port
Power supply mode: built-in lithium battery/lighting charging port
Regular color: 4 colors to choose from
Net product weight: 40g bare metal with 107g packaging
Bluetooth version: 5.0
Play format: A2DP / AVRCP / HFP / HSP
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
SMART touch, pop-up compatible
Play time: 3 hours
Product function: automatic switch function between master and slave earphone, call function, music playback
Material technology: environmentally friendly ABS
Protective material
Plug type: lightning charging port
Power supply mode: built-in lithium battery/lighting charging port
Regular color: 4 colors to choose from
Net product weight: 40g bare metal with 107g packaging
Bluetooth version: 5.0
Play format: A2DP / AVRCP / HFP / HSP
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
SMART touch, pop-up compatible
Play time: 3 hours
Product function: automatic switch function between master and slave earphone, call function, music playback
Material technology: environmentally friendly ABS
Protective material
Plug type: lightning charging port
Power supply mode: built-in lithium battery/lighting charging port
Regular color: 4 colors to choose from
Net product weight: 40g bare metal with 107g packaging
Bluetooth version: 5.0
Play format: A2DP / AVRCP / HFP / HSP
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Headset
SMART touch, pop-up compatible
Play time: 3 hours
Product function: automatic switch function between master and slave earphone, call function, music playback
Material technology: environmentally friendly ABS
Protective material
Plug type: lightning charging port
Power supply mode: built-in lithium battery/lighting charging port
Regular color: 4 colors to choose from
Net product weight: 40g bare metal with 107g packaging
Bluetooth version: 5.0
Play format: A2DP / AVRCP / HFP / HSP
Packing list:
1 * Bluetooth Headset
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Bluetooth 5.0 Feature: Continuous connection, non-stuffing, low power consumption, wide compatibility.
Passive noise reduction and isolation of noise: Enhanced passive noise isolation technology for headphones.
LED Screen Display: The power is visible, led charging chamber display, visible storage capacity.
Fingerprint touch manipulating: The new upgrade of intelligent touch makes the operation more comfortable and convenient.
Description:
Name: Bluetooth Earphones
Model: T120 TWS
Bluetooth version: 4.2
Sensor: 2 x 5.8 mm
Frequency response: 20Hz – 20 kHz (-6dB)
Signal to noise ratio:> 96dB
Headphone battery type: 85 mAh lithium ion polymer
Charging box battery type: 350 mAh lithium ion polymer
Charging time of charging box battery: 2 hours 5V, 0.5A
Music playback time: up to 4 hours (depending on volume and audio content)
Charging box playing time: 16 hours
Weight: 73 grams
Packing list:
1 * Bluetooth Earphones
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Description:
Name: Bluetooth Earphones
Model: T120 TWS
Bluetooth version: 4.2
Sensor: 2 x 5.8 mm
Frequency response: 20Hz – 20 kHz (-6dB)
Signal to noise ratio:> 96dB
Headphone battery type: 85 mAh lithium ion polymer
Charging box battery type: 350 mAh lithium ion polymer
Charging time of charging box battery: 2 hours 5V, 0.5A
Music playback time: up to 4 hours (depending on volume and audio content)
Charging box playing time: 16 hours
Weight: 73 grams
Packing list:
1 * Bluetooth Earphones
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Description:
Name: Bluetooth Earphones
Model: T120 TWS
Bluetooth version: 4.2
Sensor: 2 x 5.8 mm
Frequency response: 20Hz – 20 kHz (-6dB)
Signal to noise ratio:> 96dB
Headphone battery type: 85 mAh lithium ion polymer
Charging box battery type: 350 mAh lithium ion polymer
Charging time of charging box battery: 2 hours 5V, 0.5A
Music playback time: up to 4 hours (depending on volume and audio content)
Charging box playing time: 16 hours
Weight: 73 grams
Packing list:
1 * Bluetooth Earphones
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Description:
Name: Bluetooth Earphones
Model: T120 TWS
Bluetooth version: 4.2
Sensor: 2 x 5.8 mm
Frequency response: 20Hz – 20 kHz (-6dB)
Signal to noise ratio:> 96dB
Headphone battery type: 85 mAh lithium ion polymer
Charging box battery type: 350 mAh lithium ion polymer
Charging time of charging box battery: 2 hours 5V, 0.5A
Music playback time: up to 4 hours (depending on volume and audio content)
Charging box playing time: 16 hours
Weight: 73 grams
Packing list:
1 * Bluetooth Earphones
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.
Description:
Name: Bluetooth Earphones
Model: T120 TWS
Bluetooth version: 4.2
Sensor: 2 x 5.8 mm
Frequency response: 20Hz – 20 kHz (-6dB)
Signal to noise ratio:> 96dB
Headphone battery type: 85 mAh lithium ion polymer
Charging box battery type: 350 mAh lithium ion polymer
Charging time of charging box battery: 2 hours 5V, 0.5A
Music playback time: up to 4 hours (depending on volume and audio content)
Charging box playing time: 16 hours
Weight: 73 grams
Packing list:
1 * Bluetooth Earphones
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.
Low Frequency Sound Effect Activating Musical Motivation: 5.8mm drive unit with low frequency sound effect. Bring you shocking sound effects.
Noise reduction design: It can well solve the environmental noise during the call and provide a better call experience.
Bluetooth 5.0: Low power consumption, wide compatibility. It can realize fast pairing and stable transmission, and has ultra-low latency.