- Connection method
- Bluetooth connection
- Interface type
- USB
- capacity
- 400MAH
- Frequency response range
- 40Hz-20KHz
- Power supply
- built-in lithium battery
- Playing time
- 2-3 hours
- Bluetooth protocol
- 4.2
- Effective distance
- 10 meters
- Function
- waterproof, drop-proof, voice prompt, card, remote control, radio, dustproof, call function