-Product Model: BS501
- Version: V5.2
- Profiles: HFPHSPA2DPAVRCP
- Transmission Distance: UP to 10 meters
- Talk Time*: UP to 3.5 hours
- Playing Music Time*: UP to 5 hours
- Standby Time*: UP to 40 hours
- Battery (Headset/base): 35mAh/300mAh
- Charging Time: 1.5 hours
- Driver: φ10mm
- Speaker Sensitivity: 118±3dB @1KHz
- Impedance: 32Ω±15%
- Frequency Response: 20Hz-20KHz
- Audio Decoding: SBC AAC