2.4GHz Ultra-slim Multimedia Wireless Keyboard and Mouse Combo for Desktop Laptop Compatible with Windows 2000/XP/7/8/Vista/Mac OS x/Linux Black and Ergonomic A compact and comfortable combo, designed especially for the minimalistic, wire-free desktop Powerful 2.4 GHz wireless connection with one tiny Unifying receiver that stays in your notebook Chiclet style key caps,incurve design and cushioned palm rest help your fingers glide comfortably from key to key, hour after hour Dedicated multimedia keys for controlling volume and music. Humanized design, add a series of shortcut function keys cooperated with FN key. The high-definition optical mouse has comfort and control in your hands with smooth, accurate tracking