Lightweight, clip-on design.Speaker is easy to attach, easy to remove, easy to take with you.Simply mount the speaker to any laptop or notebook.The speaker stays securely in place when you carry your laptop from room to roomBoth sides-of-monitor design also focuses the sound directly toward youMusic sounds full and balanced best;Volume adjustment give you control of your music;Plug a single USB cord into your laptop and you/'re No software or external power supply needed;Included cord powers the speaker and gives you pure digital sound instantlyDescription:Enjoy quality sound from your laptop wherever you go, with thislaptop speaker connected to it. Light weight, the clip-on designof this speaker allows you to fix it onto the laptop, netbookor even place it anywhere .Specification:Speaker System:2.0 SpeakerPower:YesPower Rating:2W+2W StereoSpeaker Unit:2 X 40mmNdFeB high-quality speakers 4 ohmDimension:60 ;30 ;35mm, cable 1.7mThe thickness of can clip to a computer:About 25mmPower Input:USB Supply~5V, 500MA, 50HzInput Connection:3.5mm Audio Interface3.5mm audio Colour:BlackMaterial:ABSSize:12.5*9.5*5CMPackage Contents:1 * SpeakerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.