Karnotech® The best choice for you! Premium Quality, Fast Delivery with Excellent Customer Service Portable Durable and Comfortable Ultra slim and compact, this keyboard is perfect for travel, school, or any working environment. Quiet keystroke is a good match for library use. Convenient for taking along after rolled up. Easy for operation and storage. This multimedia flexible keyboard makes your web surfing a breeze. Unique design and production process provide amazing usage experience, keys are quiet, stable, soft, and responsive, can be used in silent environment without disturbing other people. Specifications: Keyboard Button: 103 Keys (includes the function keys across the top and a separate number pad) Power Supply: USB Interface Size: 15.8x4.9 inches USB wire length: 55 inches Weight: 7.2 oz Package Includes : 1 x keyboard with USB cable We have various colors and styles for you to choose. Please contact us if you have any problem with our product. Karnotech will provide the best customer Service sincerely.