1. Material: Plastic
2. Interface type: USB
3. Battery capacity: 500 mAh
4. Frequency response range: 100HZ-20KHZ
5. Output power: 5 w
6. Signal to noise ratio: greater than or equal to 75 dB
7. Power supply: USB charging / built-in lithium battery
8. Channel: 2.1
9. Playing time: 1.5 hours
10. Bluetooth protocol: 4.1
11. Number of speakers: 1
12. Effective distance: 10 meters
13. Function: card/radio/call function
14. Play format: MP3
15. Connection method: Bluetooth connection
16. Support format: U disk
17. Dimensions: 86 x 72 x 32 mm
18. Weight: 0.2kg