BATTOP Wireless Bluetooth Keyboard For IPad / IPhone /PC/ IOS System (Apple Style Keyboard) Silver Color Fit for: iPad/iPhone 4.0 OS/Android/Window Mobile/Symbian Smartphone/MAC/PC Battery: Use 2 AAA (Here is not included) Wireless Distance: 0-10m; Version: V2.0, 2.4Ghz Size: 11 1/4 x 4 3/4 x 11/16" (L*W*D) Material: Plastic; Color: White and Silver; Weight: 310g