Logitech® Wireless Combo MK320. The combo that puts entertainment and portability at your fingertips. With 11 hot keys and 4 programmable F-keys, you'll enjoy instant access to the things you do most. Low-profile, whisper-quiet keys help make typing IMs, emails nice and easy. The mouse features storage for the tiny Logitech® receiver, so you can take your mouse wherever you go. 24-month keyboard and 12-month mouse battery life-with auto-sleep and on/off switch-lets you go years without the hassle of changing batteries. And the simple software-free setup will have you browsing, working, shopping or chatting in no time.