Hama PC speaker Sonic Mobil 183 (USB 3.0, 3.5 mm jack, 3 W, active speakers for computers, laptops, notebooks, smartphones, tablets) black/red, Active 2.0 speaker for PC, notebook, laptop, netbook, smartphone, tablet, MP3 player, etc., universally usable thanks to the 3.5 mm jack plug, Compact size: Ideal to take with you (dimensions per box: 7.2 x 7.5 x 8.2 cm) for mobile work or in your free time, Super Stereo Sound: Thanks to 3 W music power, volume control directly on the cable for optimal sound when gaming or working with conference calls, 1x notebook speaker Sonic Mobil 183, 1x user manual