Sensitive Mouse Click with Less Noise - Slim ergonomic design and smooth frosted surface for an incredible user experience. Quieter and Easier to click, make you concentrate on your work without disturbing others beside you Plug & Play - Tiny wireless receiver conveniently slots into your computer's USB port, taking up minimal space. Stable Connection - 2.4 GHz wireless provides a powerful, reliable connection up to 15m Universal Compatibility - work with Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc. Portable & Durable - USB-receiver stays in your PC USB port or stows conveniently inside the wireless mouse when not in use. Perfect for work and entertainment in home or office.