1. Bluetooth version: V4.1
2. Product material: ABS plastic
3. Battery capacity: 5V/1800MAH
4. Output power: DC5V, power: 5W*2
Frequency response range: 100hz-20khz
SNR :≥75dB
Distortion: ≤0.5%.
4. Play time: about 5-8 hours (depending on volume). Standby time: 200 hours
6. Charging time :2 hours
7. Special functions :MICRO power supply + wireless bluetooth +U disk +TF card + portable
