True wireless stereo Bluetooth earphones B22
True wireless stereo Bluetooth earphones B22
CSR Chip: CSR63120
Bluetooth Version: V4.2
Supported Profile: HSP,HFP,A2DP,AVRCP
Battery type: 60mAh rechargeable polymer Li-ion battery
Backup battery: 400mAh/ rechargeable polymer Li-ion battery
Working range:10M
MP3 Playing Time: 3-4 hours
Standby Time: 120 hours