1German Keyboard: Wireless bluetooth 3.0 keyboard, easy to connect, specially designed German version keyboard. 2Broad Compatibility: The keyboard works with the three major operating systems that support Bluetooth (for Android, and for Win), including most Bluetooth devices. 3Stable Keyboard Connection: Easily connect to mobile devices such as tablets and phones using a Bluetooth connection. The operating distance is up to 10 meters. 4Portable: Ultra thin and light weight, easy to carry, suitable for work, home, travel. 5Quiet Keyboard: Quick response keys, responsive keys provide comfortable and noise free typing. Item Type:Wireless Keyboard Material: ABS Operating Voltage: 3.0V Operating Current: 4mA Working Distance: Approx.10m / 10.9yd Battery Specifications: 2 x AAA Batteries (Battery Not Included) 1 x Keyboard 1 x User Manual