Product Model: BO555

Bluetooth Version: V5.3

Bluetooth Profifiles: HFP,HSP,A2DP,AVRCP

Transmission Distance: UP to 10 meters

Talk Time*: UP to 6 hours

Playing Music Time*: UP to 8 hours

Standby Time*: UP to 70 hours

Battery (Headset/Base):80mAh/500mAh

Charging Time: 1.5 hours

Driver: φ16.2mm

Driver Sensitivity: 128±3dB @1KHz

Impedance: 22Ω±15%

Frequency Response: 20Hz-20KHz

Audio Decoding: SBC, AAC