ZAGGkeys Case with Universal Wireless Keyboard for All Bluetooth Smartphones and Tablets - Black Faster typing speed for increased productivity on your tablet or smartphone Unique ergonomic design and island-style keys provide a comfortable, more natural typing experience Durable protective case doubles as a stand for convenient set up and portability Compatible with virtually any tablet or phone on any operating system with fewer typos Ergonomic design and island-style keys provide a comfortable, more natural typing experience A protective case doubles as a stand for convenient set up and portability Rechargeable battery lasts up to three months of regular use (Regular use of two hours per day. Using the backlit feature will impact battery life and may require more frequent charging.)