| Frequency response | 20HZ-20000HZ |
| Working voltage | 3.7v lion battery |
| Rated power of inner sound | 20 mw |
| Max power of inner sound | 30 mw |
| Rated power of outer sound | 0.5w *2 |
| Max power of outer sound | 1 w |
| Working current of outside sound | 100 ma |
| Charging voltage | DC 5V |
| Charging current | 400 ma (1 hour needed for fully charged |
1X Bluetooth Headset
1X USB cable
1Xuser manual
Contact us:
Email to OKayCNTelephone:+86 755 25608673
Address:Floor 8,huguang building,Longgang Road, Shenzhen China