2.4G Wireless Mini Keyboard with Touchpad + Red LED Backlight All- new design! This wireless keyboard is a palm sized mini keyboard with an integrated touch pad is specially designed for those who seek an all in one wireless input solution for all your multimedia keyboard needs. With its stylish, ergonomic and not to mention ultra-portable design, this is a must for any home theatre PC or car entertainment, as well as notebooks and gaming systems. You can enjoy full wireless control of your PC with our most advanced mini wireless keyboard. It's like having a full size keyboard and mouse in the palm of your hand At a Glance... 89 keys + touchpad put you in full control Completely self-contained- no cables or software necessary Ergonomically designed for maximum comfort and ease of use come with back-light Manufacturer Specifications Main Function: Wireless Keyboard with Touchpad Wireless Frequency: 2.4GHz Maximum Usage Distance: Up to 10 Meters when unobstructed Charging Method: USB Cable to PC USB Port Power Source: Built-in rechargeable li-ion battery - 550mAh Keyboard Style: notebook keyboard Indication LED Light: Signal, Data Transmission, Charging standby time：80hours working time (without opening LED backlight)：up to 50 hours working time (open LED backlight)：up to 40 hours Dimensions: - L:135 x W:105 x H:23(mm) - Touch Pad - L:46 x W:30 (mm) Operating System Requirements: Linux, Windows 2000, XP, Vista, Windows 7, Macos Product Notes Convenient pocket size gadget Great for professional lecturing and presentations Work for computer, notebook, ipad, Smart TV、office projectors, car computer entertainment Simple Plug and Play- no software or driver installation required Ideal for home entertainment use. Package Contents for Model CVQD-322 Wireless Keyboard with Touch Pad USB Charging Cable Wireless USB Dongle