Wide Compatibility: Works with any USB device,such as PC/laptops/tablets/computer.We are the factory and we are the patent owner for this usb speaker. Stereo Sound &Superior Sound QualityCombined with two high quality powerful speakers,this sound bar has a fantastic 3D stereo surrounded sound performance, Flexibly placing Fashion and portable design suits any usb device.Make you have a wonderful hearing experience, Enjoy your favorite Music, Movie. Relax your life! Plug and PlayJust plug into an available USB port and enjoy the rich stereo sound. Tips:USB computer speaker does not have a volume knob.The USB cable length is 47inch. Space-saving and Slim DesignMini size(7.2*1.6*2.0 inch), comes with space-saving size are designed and engineered to fill your office , study space or any nook at home with music, movies, games, audio book or online lectures at ease. Easy to UseFirst just Plug and Play.Take Windows computer for example: Plug it into computer USB port clic