BL-01 70mAh 4H Unilateral wireless business earphones
CSR bluetooth version: 5.0 chip: JL
Battery: 70 mah, 3.7 V
Function: calls, listening to music, CVC noise reduction, one drag two
Music/Calling time: 4 hours
Standby time: 120 hours
Charging time: 2.5 hours
The working distance: 0 ~ 10 metres
