Logitech M171 Key Features Wireless Mouse Smooth Optical Tracking 1000 dpi 3 Buttons 12 Month Battery Life (varying) Overview The Logitech M171 is ready when you are. Simply plug the receiver into a USB port to get to work in seconds. The small size and smooth cursor control make it ideal for tight workspaces. Compatible with Windows, MacOS, Chrome OS and Linux, the M171 is flexible, so you can use it at any workspace you like. Durable and reliable, the M171 stays charged up to 12 months due to the on/off button and auto-sleep power-saving mode. Specifications Type Optical Design Ambidextrous Sensor Smooth Optical Tracking Resolution 1000 dpi Number of Buttons 3 Connectivity USB Dongle Wired/Wireless Wireless Rechargable No, removable battery Colour Black Dimensions 97.7 x 61.5 x 35.2 mm Weight 70.5g