Features:3 in 1: Keyboard， mouse and touchpad， small and exquisite.Wireless Bluetooth connection， 10M operating distance.84 Keys， full QWERTY keyboard， very convenient to type and operate.Real notebook-quality Touchpad (90 degree touchpad flip， multi-touch and scrolling bar， ultra sensitive).Full Function keys (F1 to F12) and Multi-Media Keys (Play， Pause， Next， Previous， Mute， Volume Up / Down).Special keys for supporting Smart TV / PC remote set-top box.Separate Page up and Page down key for presentation.Equipped with USB receiver， no driver needed， plug and play.Support multi languages.Equipped with Mini USB dongle and multiple LED indication lights.Widely used for home entertainment， multi-media Education， training， conference， presentation， and so on.Specifications:Color: BlackConnection: BluetoothMax. operating distance: 10m / 32ftTransmit power: 2dBmReceive sensitivity: -85dBmWork voltage: 3.3VWork current: <80mAPower supply: 2 * AAA batteries(Not included)Standby time: 500 ~ 700hoursTouchpad size: 3.5 * 3.5cm / 1.4 * 1.4inItem size: 15.8 * 5.6 * 1.5cm / 6.2 * 2.2 * 0.6inItem weight: 63g / 2.22ozPackage size: 22 * 12.5 * 2.5cm / 8.7 * 4.9 * 1inPackage weight: 135g / 4.76ozSystem Requirements: for MAC Windows XP， Vista， Win7， for Linux(Debian-3.1，Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)， for Max OS， Android / Google / Smart TVPackage includes:1 * Bluetooth Keyboard1 * USB extension line1 * USB receiver1 * User manual