Use:Computer，Portable Audio Player，Mobile Phone，ComputerBrand Name:noType:ActivePackage:YesSpecial Feature:Portable，MiniChannels:2 (2.0)Model Number:noFeature:1.Lightweight， clip-on design.2.Speaker is easy to attach， easy to remove， easy to take with you.3.Simply mount the speaker to any laptop or notebook.4.The speaker stays securely in place when you carry your laptop from room to room5.Both sides-of-monitor design also focuses the sound directly toward you6.Music sounds its full and balanced best7.Volume adjustment give you control of your music8.Plug a single USB cord into your laptop and you're good to go9.No software or external power supply needed10.Included cord powers the speaker and gives you pure digital sound instantlySpecification:1.Speaker System: 2.0 Speaker2.Power: Yes3.Power Rating (W): 2W+2W Stereo4.Speaker Unit: 2 X 40mmNdFeB high-quality speakers 4 ohm5.Dimension: 60��30��35mm，cable 1.7m6.Power Input: USB Supply~5V，500MA，50Hz7.Input Connection: 3.5mm Audio Interface8.3.5mm audio jack Package included:1 X Notebook Mini Portable USB Speaker