Keyboard Mouse Combo, Thin Wireless Mouse, Game Keyboard, for Office Worker Wireless Set Specification: Item Type: Wireless Mouse and Keyboard SetKeyboard Specification: Material: Plastic Supporting Battery: AAA battery AAA 600mAh The keyboard needs two sections The mouse requires two sections Keyboard Size: Length x width x height: Approx. 370 x 126 x 25mm / 14.6 x 5 x 1in Mouse Size:Length x width x height: Approx. 113 x 59 x 20mm / 4.4 x 2.3 x 0.8in Number of Keys: 96 keys on keyboard, 4 keys on mouse Keyboard Interface: USB System requirements for Win7 / Win8 / does not need to drive the keyboard Optional Color: , Blue Package List: 1 x Wireless Keyboard 1 x Wireless Mouse 1 x Micro USB Receiver Note: 1. Ship without battery2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Stylish and simple ergonomic design for visual enjoyment and unique taste Micro USB receiver for easy plug-and-play convenience without the need for drivers Ergonomic tilt angle promotes natural wrist positioning to reduce hand strain Keys are sensitive with fast rebound, ideal for long-term use Lightweight and portable, perfect for office or gaming environments