Kinyo 2.0 True Digital USB Laptop Speaker (72-NB100) Comfortably Listen to MP3, CD, and DVD Audio, True Digital Sound Quality Expands to Fit Laptops up to 14.25", Powered by USB Port, No Cumbersome Power Cords or Batteries Plug and Play Installation with USB 2.0 or 1.1 Port, Lightweight and Compact for On-the-Road Enjoyment USB Cable Included, Dimensions: Folded: 11.02" x 3.54" x 0.59", Open: 13.78" x 3.54" x 0.59"