Sanag A7S Bone Conduction Portable Sports Bluetooth Headset(Black)

1. Bluetooth version: V5.02. Battery capacity: 150mAh3. Frequency response range: 20Hz-20KHz4. Transmission distance: more than 10 meters5. Aviation-grade materials, IP67 waterproof and dustproof6. CVC intelligent noise reduction, 8h endurance, 9d stereo sound effect7. The whole machine height strength titanium alloy 10000 times reciprocating test arbitrary bending tension