- Functions: card insertion
- Connection mode: 3.5MM audio socket
- Interface type: USB
- Frequency response range: 100HZ-20KHZ
- Output power: below 10W
- Power supply mode: external battery is required
- Extended storage: 32GB
- Effective distance: 10m
- Operation mode: key knob
- Shell material: plastic
- Waterproof grade: non waterproof
- Built in battery capacity: no battery
- Playback time: about 20 hours
- Battery capacity: 2200mAh
- Standby time: about 200 hours
- Charging time: about 2-3 hours
- Bluetooth playback, TF card playback, AUX playback, USB flash disk playback