Mouse Specification DPI 1000± Connectivity 2.4 GHz wireless Sensor Type Smooth optical tracking Scrolling Line-by-line scrolling Number of Buttons 3 Battery Life 18 months - 1 x AA Battery Range 10 m Physical Specifications Weight 75.00g Width X Depth X Height 39.00mm x 60.00mm x 99.00mm LESS NOISE, MORE FOCUS Stay focused on your work without noise distractions. Logitech’s own SilentTouch Technology reduces over 90% Sound level comparison between Logitech M220 and Logitech M170. Left click dBA measured by an independent lab at 1m. of clicking sounds, all while ensuring the mouse performs its best. That means you can feel every single click but hear virtually nothing. COMFORTABLE SHAPE, COMPACT DESIGN Stay productive longer with the comfortable, contoured shape that follows the natural curve of your hand. Compact and wireless, the mouse fits easily with your laptop in a bag—so you can take it anywhere you work. M220 is designed to be equally comfortable for both left- and right-handed users. EASY NAVIGATION, PRECISE CONTROL Navigate easier with a controlled line-by-line scrolling experience. No more annoying missed clicks—the optical sensor allows you to track with smooth and accurate cursor control on almost any surface. QUALITY YOU CAN RELY ON The mouse is built using the same high quality standards that have made Logitech the global leader for mice and keyboards Based on independent sales data (in units) aggregated for Logitech mice and keyboards from major global markets including Canada, China, France, Germany, Indonesia, Republic of Korea, Russian Federation, Sweden, Taiwan, Turkey, UK, US (July ’19 - July ’20 period). Retail channel only. . Durable and reliable, M220 also works up to 18 months Battery life may vary based on use and computing conditions. without changing batteries thanks to the on/off switch button and auto-sleep power-saving mode.