This is a 2.4GHz wireless mini QWERTY keyboard and TouchPad combo, with USB interface receiver. Plug and play, simple and smooth. The mini keyboard ensures convenient typing, and you can control your devices on your couch. Features: Multifunctional Combo: Wireless QWERTY keyboard, touchpad mouse and LED backlit, 3 in 1 smart combo. Compatible with PC, Notebook, Smart TV, Android TV BOX and more. 2.4GHz Wireless Connection: With included USB interface adapter, no driver needed, plug and play. 2.4GHz wireless connection, enjoy up to 10 meters wireless control. Backlit Function: With backlit function, you can conveniently use the keyboard in the dark. Blue, Green, Red and White four colors of backlight can be freely switched (Fn+Win). High Sensitive Touchpad: Easy to operate left mouse, right mouse and rolling screen. Supports touchpad DPI adjustable functions, better matching different sizes of screen. 69 Keys Keyboard: The mini keyboard ensures convenient typing with 69 keys, and you can control your devices on your couch. Also features auto sleep and auto wake mode. Note 1: USB Dongle is placed at the back of the keyboard. Note 2: AAA Dry batteries are not included, you need to buy two yourself. Specifications: Frequency range: 2.403GHz-2.480GHz Operating distance: Up to 10 meters / 30ft Power Supply: 2 * AAA battery (not included) Operating voltage: 3.3V Operating current: <10mA Charging current: <300mA Sleep current: <1mA LED Light Color: Red, Blue, Green, White Color: Black Main Item Size: 15.1 * 9.1 * 1.9cm / 5.94 * 3.58 * 0.74in Main Item Weight: 88g / 3.10oz Package Size: 15.9 * 10.0 * 2.0cm / 6.26 * 3.93 * 0.78in Package Weight: 104g / 3.66oz Package List: 1 * Wireless Keyboard 1 * USB Wireless Receiver 1 * English User Manual