Loud speaker: 2 * 4inch
Product Size: 170 x 170 x 400 (mm)
N.W.: 1.54 kgs
Output voltage: 3.7V Input: DC 5V
Output power (RMS): 10W
Signal and noise ratio(SNR): =80db
Frequency Response: 150HZ-18KHZ
Output distortion rate=0.5%
Li-Battery Capacity: 1200mAH (1pc 18650