Features: 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. 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. Two Kinds of Power Mode: Powered by two AAA dry battery (not included) or lithium battery. Built-in rechargable 800mAh Li-ion battery ensures long time using. Strong Compability: Compatible with PC, Notebook, Smart TV, Android TV Box, etc. The Ergonomically handheld design is easy to carry and operate. 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 if you would like to power the keyboard by dry battery.