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 mini keyboard and touchpad mouse, 2 in 1 smart combo. Ergonomic design, compact and light-weight. 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 a 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. Strong Compatibility: 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. 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: