Want to turn play your favorite movie, skip a boring song or jump to taobao? It's all at your fingertips with 11 hot keys and 4 programmable F-keys that give you instant access to your favorite multimedia options, | The keyboard's sleek and Stylish design features Low-profile, whisper-quiet keys that make for a supremely comfortable typing experience that will make your fingers happy. | The portable mouse with Plug-and-forget nano-receiver storage lets you stay as connected as you want to be as you roam around your home, in the office, and all points in between. | You can go 24 Months for the keyboard and 12 months for the mouse without the hassle of changing batteries.* and the on/off switch on each device puts its power management directly in your hands. * Keyboard Battery life calculation based on an estimated two million keystrokes/Year In an office environment. User experience may vary. Mouse Battery life may vary based on user and computing conditions. | Logitech advanced 2.4 GHz wireless connectivity gives you the reliability of a cord plus wireless convenience and freedom—fast data transmission, virtually no delays or dropouts, and wireless encryption.