1. Material: ABS, iron mesh, electronic components
2. Bluetooth protocol: 5.2
3. Effective distance: 10 meters
4. Input voltage: DC 5V/1A
5. Frequency response range: 100Hz-20KHz
6. Output power: 3W
7. Signal to noise ratio: 80dB
8. Number of speakers: 1
9. Channel: 2
10. Built-in battery: 350mAh lithium battery
11. Playing time: about 6-8 hours
12. Operation mode: button
13. Playback format: MP3
14. Pure copper core full-frequency speakers, strong anti-interference, full sound quality
15. Support TWS interconnection to achieve surround sound
16. Small size, portable and does not take up space
17. Dimensions: 4.6 x 4.6 x 3.3 cm
18. Weight: about 40 grams