The lightweight, compact design allows these speakers to fit nearly anywhere. Turn up the volume with 2.4 watts of clear, crisp stereo sound output. Strict HP standards and guidelines ensure long-lasting quality that is built to last. With USB power, you can enjoy your music anywhere, without worrying about where to plug in. Enjoy deep bass and crystal-clear treble with a 20Hz ; 20KHz frequency range. The 1.5m cable is compatible with all USB Type A ports, so your music is always within reach. Black. USB connection. Internal power supply. Easy install. Plug and play. Headphone jack. Speaker information. Total power output 2.4W. General information: Manufacturers 2 year guarantee.