- Product Model: BO556
- Version: V5.3
- 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: φ14.8mm
- Driver Sensitivity: 92.5±3dB @1KHz
- Impedance: 16Ω±15%
- Frequency Response: 20Hz-20KHz
- Audio Decoding: SBC AAC