F1 Bone Conduction Sports Waterproof Stereo Wireless Bluetooth Earphone(Black)

1. Wear it without ear, ear injury, painless
2. The online class is soft and does not hurt your ears
3. In the concert by the ear, the built-in silencer sponge does not leak sound
4. The memory alloy frame can be twisted and folded at will
5. Streamlined sinking design, wearing glasses will not affect wearing

Product parameters:
1. Channel: bilateral stereo
2. Function: battery display, call function, support music
3. Bluetooth version: 5.0
4. How to use: earplug type
5. Transmission range: 10 meters
6. Battery capacity: 120mah
7. Frequency response range: 20-20000hz
8. Play time: about 10 hours
9. Charging time: about 2 hours
10. Impedance: 8 ohm
11. Packing list: packing box, charging cable, earphones, charging box, manual