iClever 3-in-1 Cross-platform Ultra-Slim Mini Bluetooth 3.0 Wireless Keyboard for Apple iPad Air/ iPad Mini with Retina Display/ iPad mini/ iPad mini 2/ iPad 4,3,/Galaxy Tab/ Galaxy Tab2/ Galaxy Tab 3/Galaxy Note 3/ Samsung S4 S3/ Google Nexus 4,7,10/ Microsoft Surface RT/ Surface 2 and other Talbets -- Black [Compatilble with iOS Android Windows systems] 3-in-1 Cross-platform mini bluetooth keyboard,designed for iOS Android Windows systems. Work with latest Bluetooth version 3.0, compatible with most tablets and phones on the market. QWERTY layout with hot keys customized for iOS Android Windows systems. Capable of intelligent power management to better conserve battery life; Powered by 2 AAA batteries (not included). Wafer-thin(4mm) and light enough to tote with you anywhere. Size: 11.22*4.72*0.24inch.