Price:
US$31.29   

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B4 TWS Bluetooth 5.0 Business Binaural Earphones Hands-free Neckband Headset with Digital Display Charging Case
Specifications: 
Bluetooth chip: for Realtek L8763 low power core V5.0+EDR
Bluetooth protocol: HSP1.2, HFP1.6, A2DP1.3, AVRCP1.5
Rated voltage: 3.7V
Frequency: 2.4G
Power: 8mW
Current: 8mA
Load description: 32Ω
Headphone battery: single side 50mAH, plus protection board 501015 polymer battery
Charging box battery: 800mAH, plus protection board 703040 polymer battery
Charging power: headphone 5V/1mA, charging box 5V/1mA
Transmission distance: 10 meters
Frequency: 2.4GHz-2.48GHz
Listening to song time: about 5 hours
Talk time: about 5 hours
Standby time: about 230 hours
Charging time (headphones): about 1 hour; charging time (charging box): about 2 hours
Product size: 73*73*43mm/2.87*2.87*1.69in

Notes:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-3mm measuring deviation due to manual measurement.

Package Content:
2 X Earphones (Left Right Ears)
1 X Charging Case
1 X Charging Cable
2 X Earbuds
1 X Manual

B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case
B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case
B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case
B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case
B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case
B4 TWS BT5.0 Binaural Neckband Headset with Digital Display Charging Case

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