Enjoy enhanced 3D audio and rich sound anytime, anywhere with Klipper Tweakers Portable 3D Stereo speakers designed for laptops, netbooks, and other media players. Its unique clip design allows positioning on top of a laptop for unobtrusive listening experience. Its compact design allows you to experience home theater sound quality anytime, anywhere. It is powered via your laptops USB and it also comes with a USB battery power case that accommodates four AA batteries for ultimate portability