Fenda&reg; V520 Portable Mini Computer Speakers ,Fashion Style Silver Powered By Usb,for Laptops, Mac, Notebooks, Ultrabooks, Desktops and More Multimedia 2.0 USB Powered Computer Speakers 1.5" full range Neodymium driver AAS technology Compact design delivers outstanding sound & bass Plastic cabinets with metal grill and metallic bottom In-line volume control on cable