1. Rated power: 5W x 2
2. Plug: 3.5mm plug (audio) + USB plug (power)
3. Frequency response: 180Hz -20KHz
4. Power supply: USB 5V DC
5. Speaker impedance: 4Ω
6. Cable length: about 1.5m
7. Speaker size: 52mm
8. Number of channels: 2CH
9. Number of speakers: 2PCS
10. Signal to noise ratio: 75dB
11. Material: ABS+ aluminum alloy
12. Power amplifier chip: TLK5208
13. THD+N harmonic distortion: less than 0.5%
14. Play Format: FLC WAV WMA APE MP3
15. Power supply voltage /current: DC 5V/1A
16. Light mode: 9 backlight modes, you can turn off the light.