Our speaker fits multi-area,supply 3.5mm audio line and USB power line(or supply power through battery),it is suitable for many electronical devices(ipod,cell phone,mp3,mp4 and so on) and laptop,pc and so on.
Tech parameter:
Export power of power amplifier:2W*2(THD=10%) RMS 　
Power amplifier SNR:more than 85dB
Input resistance:10,000 Ohm
Speaker unit:aluminum Diaphragm Antimagnetic 50MM
Frequency range:100HZ-18KHZ
level of sensitivity:adaptive
Input power of long max audio frequency:less than 1.1V 　
Power of supply： DC3.6-----6V
size:10*10*10(cm)
accessories:sound box:1
            audio input line:1
            USB supply:1