Output power: 5W
S/N:>80dB                                                                                                                                                                Power Supply: USB/Li battery
Audio output: 3.5mm audio cable
Input DC voltage: DC5.0V
Frequency range: 80Hz-18KHz
Impendence: 6ohm
Patent Technology: Vibrating technology
Distortion Factor: ≤0.5%


Function:                                                  
TF Card reader, FM, remote control, Power Switch,LED, mini USB jack for power and audio output.