computer speaker portable
3.5mm audio output jack
Power Voltage: USB/DC 5V
Optional external power supply

computer speaker portable descriptions:

3.5mm audio output jack
Power Voltage: USB/DC 5V
Optional external power supply
USB cable can be connected with PC,notebook,DVD
audio cable can be connected with PC,notebook,DVD,cell phone,MP3

Package

packing:gift box packing+carton box
Qty/Carton:50pcs
Carton: 434x315x408mm
Net weight: 0.30kgs
Total weight: 25kgs

Accessories 

USB cable
audio cable

Paramenters

Power output: 3W*2RMS
Speaker: 4  3W
input sensitivity: 400mV
Distortion: <<0.2 %( 1W 1KHZ)
Frequency response: 80Hz-20KHZ
Separation:≥78dB
S/N Ratio: ≥80dB
3.5mm audio output jack
Power Voltage: USB/DC 5V