Total RMS: 6W (3W * 2)   
Speaker: 50*90   
Main Controls Power on/off, Master vol, Headphone jack, Microphone jack, LED   
Frequency response: 80Hz ~ 20KHz   
Dimension：:440×55×65MM（(W×D×H)   
Inputs： 3.5 Stereo   
SNR: ≥ 70dB    
Power Input: DC 5V