Specifications:Color: White，Black.Size: Approx.28.6 X 12.1 X 2cm(L X W X H).Material: Aluminum alloy and laser ABS+PC.Operation distance: 10 meters.Frequency: 2.4GHz.Working current: 10mA.Standingby current: 0.5-0.6mA.Shutdown Static Current: 0mA.Low Voltage Electrical Testing: 3.3V.Shutdown Voltage: 3.1V.Charging time: 3 to 4 hours.Battery type: 2 X AAA batteries(battery not included).Bluetooth Version: 3.0.Compatible with:.Apple iPad Air， iPad mini with Retina Display， iPad 2， iPad 3， iPad 4， iPad mini; iPhone 4 & 4S， iPhone 5; iPod Touch.Bluetooth-enabled PCs or Laptops with Windows XP/Vista/7/8.Bluetooth-enabled iMac / Macbooks with Mac OS X 10.2.8 or above.Smartphones or tablets with Android 3.0 and above (This keyboard may have compatibility issues with Android 4.3 and 4.4.).Windows Mobile 5.0 and above.Not compatible Mac mini.Features:Bluetooth technology provides a cable-free & clutter-free connection.Ergonomic tilted design reduces wrist strain.Compatible with the iPad and all Bluetooth-enabled tablets， laptops， and computers.Pencil-thin， sleek profile (0.23in thin) easily stows in a backpack， messenger bag， or case.Standard keyboard without any wrong code and keys.The keyboard has a mini and fine appearance.A high quality wireless bluetooth keyboard designed for smart phones and tablet PC.Floating chocolate keyboard structure promises a silenced operation of the keyboard.Give you a soft and smooth touch.The shining aluminum alloy back can give you a feeling of dignity， fashion and simplicity.Note: Battery not included.Package Included:1 X Mini Wireless Bluetooth Keyboard(battery not included)1 X Uesr ManualNO Retail Box. Packed Safely in Bubble Bag.