RMS: 3W*2
Frequency response:150-18KHz(±3dB)
SNR:≧80dB
Drive unit:1.77inch(Ø45mm),4Ω
Input:3.5mm jack
Support U-disk,SD/MMC Card
Built in Li-ion battery, or USB 5V/1000mA
Charge voltage: 4.2-5V
Battery capacity:500mAh
Built in MP3 player
FM radio function
Packing
Box size:160*50*65mm
60pcs/carton
CTN SIZE:35.5*33*31cm
N.W:15.6 KG
G.W:16.8 KG