UrgeBasics Ultra Slim Bluetooth Keyboard - Blue (UG-BTKBDICEB) Excellent key sensitivity / Keyboard: 78 Keys Menu & Media shortcut keys Ultra slim Bluetooth keyboard compatible with iPad, Samsung Galaxy Tab, and most Bluetooth-enabled tablets and devices. Bluetooth: V 2.0 Operation Range: Up to 33ft (10m) Operation Time: Up to 80 Hours Frequency Range: ~2.4GHz Power: 2 AAA Batteries required (not included)