Specifications:
Bluetooth chip and Bluetooth version: 5.0
Bluetooth protocol: A2DP AVRCP HFP HSP
Battery: 150mAh
Impedance: 16
Transmission distance: barrier 10-40m
Frequency: 2.4GHZ
Speaker unit:40mm NdFeB composite film
Songs time: about 4-8 hours
Standby time: about 120 hours
Output Power:40mW
Frequency Response:20Hz-20KHz
Function:
Play/pause/switch music
Adjust volume, Switch Chinese and English voice
Report the call number
Answer/hang up/reject/redial calls
Operation voice prompt
Show electric quantity for iOS system