mini laptop USB speaker

mini laptop USB speakersspecifications: USB 2.0 digital mini speaker system use full band HIFI speaker,MINI HIFI new fashion plug and paly,identify USB automaticly, USB Powered and signal directly Full-digital processing,no signal lose by USB transmission,high efficiency,high performance only one control cable with build in sound card driver and amplifer circuit needed,easy to operate volume can be adjusted by button "+"and"-"on control cable. Support for laptop, desktop,MP3, MP4, tape recorders, learning machines, radios and other audio device provides an effective line-in modulator path to digital amplifer to connect external audio source with speaker units. Simple & fashion design , easy to assemble and disassemble Material: ABS output power:2x2w About us : 1; Stable raw material with high quality 2; Fast shippment 3; we do supply best services to all the customers. The more you order , the better price you will get . 4; If you have problem with the price or other problems , please contact with our sales directly at any time .