Features:Special design for German input.4 in 1: Keyboard, mouse, touchpad and laser pointer.Bluetooth connection, 10M operating distance.82 Keys, full QWERTZ keyboard, very convenient to type and operate.Full Function keys (F1 to F12) and Multi-Media Keys (Play, Pause, Next, Previous, Mute, Volume Up / Down).Unique Page up and Page down key and built-in laser pointer for presentation.Backlight makes text entry effortless even in dim light.Real notebook-quality Touchpad (90 degree touchpad flip, multi-touch and scrolling bar, ultra sensitive).Special keys for supporting Smart TV/PC Remote set-top box.Equipped with USB receiver, no driver needed, plug and play.Built-in rechargeable Li-ion battery, auto sleep mode, long standby time.Multiple indication light for signal, data transmission and power.Widely used for home entertainment, multi-media Education, training, conference, presentation, and so on.System requirements:Windows XP/ Vista/ 7Linux(Debian-3.1, Redhat-9.0 Ubuntu-8.10 Fedora-7.0)Mac OSAndroid PC OSDOSSpecifications:Color: BlackModel: KP-810-10BTTConnection: BluetoothOperating distance: 10mTransmitting power: Max +4dBmWork voltage: 3.3VBattery capacity: 400mACharge current: !#!lt!*!350mAWork current: !#!lt!*!10mAItem size: 15.3*6*1.2cm / 6*2.4*0.5inItem weight: 83g / 2.9ozPackage size: 22*12.5*3.3cm / 8.7*4.9*1.3inPackage weight: 161g / 5.67ozPackage list:1 * Mini Keyboard1 * USB Receiver1 * USB Cable1 * User Manual