QWERTY keyboard. Wireless range up to 30 feet. Features 14 hotkeys for quick access to your media player controls, email, Internet browser and other common applications. Quiet membrane key switches that provide a more quiet and tactile response. Features optical technology to work on virtually any surface, with improved speed, accuracy, and reliability, without the hassle of clogged mouse ball. AAA battery type. Requires Windows 2000 / XP / Vista / 7 / 8 / 10. 17.7 x 6.6 x 0.8 in. 1 set. Black.