refuse to drop

Package Size: 215 × 125 × 80 mm

SET2: 4-piece set of black color box

EOBD standards

no heat: electroluminescent film is a cold light source

Bone Conduction, Universal Bluetooth Wireless Head-mounted Earphone Color:Black refuse to dropBone Conduction Wireless Bluetooth 4. 2 Headset Stereo Sports Headphone Universal Features: 3. Transmission power: Class2 3. The upgraded version of earphone 10. Supporting file formats: IOS, A2DP, AVRCP, HSP, and HFP 4. Transmission frequency: 2. 4GHz 7. Call time: 6 8 hours 6. Battery capacity: 75 mah 1. Real ergonomic design 9. Standby time: 120 hours Technical parameters 1. Bluetooth version : V4. 2+EDR 8. Playback time: 4 6 hours 11: the product