Komwell 3.5mm Mini Computer Speakers, Powered by USB With LED Lights For Laptops and Desktops (Blue) USB-Powered Portable Compact Stereo Speakers System The volume control to adjust design, and can be arbitrarily adjust the volume Hot plug without software drivers, strong compatibility, plug and play Can be easily connected laptop, PC, MP3, MP4, mobile phones, entertainment facilities, such as the only, listen to the music style Used in breathing lamp glow, a variety of red, green and blue color alternates alternately, especially at night when using more impressive and attractive, very cool