1. Soundtrack: 2.1
2. Interface type: USB
3. Signal to noise ratio: greater than or equal to 75dB
4. Connection method: Bluetooth connection
5. Battery capacity: 1500 mAh
6. Frequency response range: 40Hz-20KHz
7. Output power: 5W
8. Power supply: USB charging/built-in lithium battery
9. Playing time: 4-6 hours
10. Bluetooth version: V4.2
11. Number of speakers: 1
12. Effective distance: 15 meters
13. Function: insert card, radio, voice prompt, call function
14. Play format: MP3, WMA, WAV, FLC
15. Material: plastic
16. Support format: TF card
17. Size: 220x110x65mm
18. Weight: 450g