Designed to be the perfect companion for all your Acer Chrome devices (Chromebook, Chromebase and Chromebox), Both Mouse and Keyboard have a compact design to always carry them around with you, Sleep mode when keyboard or mouse is not used, Optical sensor (PAW3212) with 3 button​, 1600 DPI, The mouse works perfectly for both left and right handed use, USB Receiver with Plug  and Play Technology,