Logitech M240 Silent, Wireless, Bluetooth Mouse, Rose Introducing the M240 Silent, the Bluetooth® mouse for the workspace. Pairs in seconds via Bluetooth® connection, quickly and easily - no dongle or port required. The ultra-quiet mouse has 90% less click sound, eliminating noise and maximizing focus. The comfortable shape follows the natural shape of your hand, so you can be productive for longer. Built with the same quality standards that have made Logitech a leader in the field. Pair and PlayWith fast and easy Bluetooth wireless technology, you connect to the silent wireless mouse in seconds - no dongle or port required. Less noise, more focusThe silent mouse with 90% less click sound eliminates noise so you can focus better. Long battery life Battery life is up to 18 months, thanks to the automatic sleep function and energy efficiency, to last longer between battery changes. Comfortable design for easy carrying Small enough to carry in a bag, this compact, slim and ambidextrous mouse helps your hand relax in a natural position.