... quality with competitive price 2.Plug and play, identify USB automatically, USB Powered and signal directly3.Full-digital processing, no signal ... , easy to operate5.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios and other audio device 6.Simple ... Product size(L*D*H)10*10*10cm Shellplastic USB InterfaceHi-speed USB 2.0 Color availablepink & white,Blue & white,Green & ...