5-PACK Open Ear Bone Conduction Headphones Bluetooth Sports Earphones
Free shipping
| Express | DHL Free Shipping |
|---|---|
| Version | 5.2 |
| Frequency | 20Hz-20kHz |
| Connection | =10m |
| Microphone | -42dB |
| Battery | 180mAh |
| Play Time | =9h(80% volume) |
| Charging Time | =1.5h |
| Charging Voltage | DC 5V |
