This Logitech M220 is ultra-quiet mouse with 90% reduced click sound and same click feel eliminates noise and distractions for you and others around you. This Mouse automatically connects to your computer via a tiny wireless Receiver that Plugs into your computer’s USB port. Its comfortable mobile shape is small enough to toss in a bag and an ambidextrous design guides either hand into a natural position. This reliable, long range wireless mouse works up to 33 feet away from your computer. It comes with 18-Month battery life and its auto sleep help you go longer between battery changes.