1. Product Name:Portable wireless bluetooth speaker
2. Color: Black
3. Material: plastic
4. Size: 111*99*175mm
5. Interface type: card reader
6. Battery capacity: 1200
7. Frequency response range: 40Hz-20KHz
8. Output power: 5W
9. Signal to noise ratio: ≥75dB
10. Power supply mode: built-in lithium battery
11. Channel: 2
12. Play time: 6 hours
13. Extended storage: 32GB
14. Bluetooth protocol: 2.1
15. Number of speakers: 1
16. Effective distance: 15 meters
17. Operation mode: button
18. Play format: MP3
19. Features: Support U disk format, sound quality, portable