Bone conduction Bluetooth headset
1. Bluetooth version: V4.1
2. Mono/Stereo: Stereo 3. Speaker type: bone conduction speaker 4. Battery capacity: 260mAH 5. Microphone: -40db noise reduction microphone 6. Standby time: about 10 days / playing time: about 8 hours / charging time: about 2 hours 7. Bluetooth effective distance: 10 meters 8. Bluetooth support protocol: a2dp/HFP, HSP, AVRCP, GAVDP, AVDTP 9. Bluetooth receiving sensitivity: 88dBm 10. Frequency range: 100Hz--20KHz |