Ultra-thin Sliding Bluetooth Keyboard for Apple iPhone 4/iPhone 4 CDMA and iPhone 4S Full Slide-out QWERTY Keyboard. Works great with any App such as e-mail, web browsing, blogging, calendar, and notes. Increased speed and typing accuracy Includes Search and Home buttons, On/Off Switch to conserve battery life Compatible with: Apple iPhone 4, Apple iPhone 4 CDMA, Apple iPhone 4S