1. Bluetooth version: bluetooth 4.2
2. Product material: ABS plastic + electroplating
3. Battery capacity: 3.7v 600mAh external 5C
4. Output power: DC5V, output power 3W
Impedance: 4 OHM
Frequency response range: 20hz-16khz
SNR: ≥80dB
Distortion: ≤0.5%
5. Playback time: about 5-8 hours (depending on the volume)
6. Charging time :1-2 hours, standby for 12 hours
7. Function :MICRO power supply + wireless bluetooth +TF card +U disk
