Amazon top seller ENC Waterproof IPX5 Wireless Headset 5.0 Headphone Touch Wireless Earphone Earbuds Wireless Earbuds

Item No.: AS-27B
Headset battery capacity: 40 mAh
Storage box battery capacity of 300mAh
Charging time: 60 minutes
Running time: 4-5 hours
BT version: 5.0
BT range: 10 meters
Speaker: Φ 8 mm
Charging times of storage box: 3 times
Control mode: touch control
Unit
500-999 Units $ 12.29
>=1000 Units $ 12
$12.59
Description
Headset battery capacity: 40 mAh 
Storage box battery capacity of 300mAh 
Charging time: 60 minutes 
Running time: 4-5 hours 
BT version: 5.0 
BT range: 10 meters 
Speaker: Φ 8 mm 
Charging times of storage box: 3 times 
Control mode: touch control 
Unit sensitivity: 110dB 
Microphone: silicon mic 
Frequency response range: 20HZ-17500Hz 
Voltage: 3.7 V 
Impedance ohm value: 32 
Audio decoding: SBC/A2DP,AAC,G.722