1. Soundtrack: 2.1
2. Interface type: USB
3. Signal to noise ratio: greater than or equal to 85dB
4. Connection method: Bluetooth connection
5. Battery capacity: 500 mA
6. Frequency response range: 100Hz-20KHz
7. Output power: 3W
8. Power supply: USB charging/built-in lithium battery
9. Playing time: 8 hours
10. Bluetooth version: V5.0
11. Number of speakers: 2
12. Effective distance: 10 meters
13. Function: insert card, waterproof, radio
14. Play format: MP3, WMA, WAV, FLC
15. Material: Plastic
16. Support format: TF card
17. Size: 76x61x38mm
18. Weight: 0.133kg
19. Speaker unit: 40mm