simple and smooth, and its wireless operating distance is up to 10 meters. With this portable touchpad keyboard, you can enjoy effortless control of the smart TV, Notebook, Laptop and more to search movies, surf the Internet and chat with your friends, etc. [2.4GHz Wireless Connection] With included USB interface adapter, no driver needed, just plug and play. 2.4GHz wireless connection, enjoy up to 10 meters wireless control. [High Sensitive Touchpad] Equipped with large touchpad, very easy and accurate to operate left / right mouse, move cursor, forward / backward, zoom in / out, close current window, etc. [78 Keys Keyboard] 78 keys keyboard, R shape angle of keycaps, comfortable to type. With multimedia function key combination (pressing FN #43; F1-F12), very convenient for work use. [Energy Saving Mode] If keyboard is not used for 10 minutes, it will be dormant. Press any key to activate. Low power consumption, and it just needs 2 * AAA batteries(not included). Note 1: USB Dongle is placed at the back of the keyboard. Note 2: You need to buy yourself two AAA battery. Specifications: Transmission frequency: 2.4GHz Operating distance: Up to 10 meters / 30ft Modulation System: GFSK Key force: 6010g Key life: 3 million strokes Battery: 2 * AAA battery (not included) Working voltage: 1.8-3.0V Keyboard working current: 2.5mA Touchpad working current: 4.0mA Standby current: 0.3-1.5mA Sleeping current: lt;0.2mA Operating temperature range: -10C-/ #43;55C Color: Black Main Item Size: 36.8 * 12.2 * 1.9cm / 14.48 * 4.80 * 0.74in Main Item Weight: 265g / 9.35oz Package Size: 38.3 * 12.7 * 2.4cm / 15.07 * 5.00 * 0.94in Package Weight: 342g / 12.06oz Package List: 1 * Wireless Keyboard 1 * USB Receiver 1 * English User Manual