PageFlip Firefly Bluetooth/USB Page Turner Pedal Allows hands-free reading on iPads, Android tablets, and all computers Emulates PageUp/PageDown, arrow keys, and mouse clicks Builds upon success of PageFlip Cicada by featuring programmable pedal modes, illuminated pedals, wireless or wired operation, 30-minute timeout period, rugged construction, and silent pedal mechanism Works with keyboard-compatible iPad and Android apps. Compatible iPad apps include ForScore, unrealBook, Deepdish Gigbook, ... Operates on 2 AA batteries; Use the included USB cable to plug into any USB AC adapter or tablet/computer