... )Drive unit:2''x2 4)CE Rohs 2.0 USB mini Computer SpeakerApplication :playing for all kinds of 3 ... .5mm Jack player i.e notebook, mp3, mp4,CD/MD,PC,mobile phone etc.USB Mini Computer Speaker is ... world.It is high-tech product,with build-in USB power cable&audio line and with volume control.The ... type, 4)Build-in audio line5)Power supply:Build-in USB cable (5V/1A)6)Frequency response:90HZ~20KHZ7)Volume: ...