Aftershokz Trekz Air Wireless Headphones with Dual mic
- Speaker type: bone conduction transducers.
- Frequency response: 20Hz~20KHz.
- Sensitivity: 100 ± 3dB.
- Microphone: -40dB ± 3dB.
- Bluetooth version: v4. ...
- Compatible profiles: A2DP, AVRCP, HSP, HFP.
- Wireless range: 10m.
- Battery: rechargeable lithium ion.