Kensington K72405EU Pro Fit Medium Size Wireless Mouse with Nano Receiver Black/Blue

ergonomic design - mid sized computer mouse for home office or work place, shaped and contoured buttons match natural hand curve for comfort during prolonged use and sculpted side panels provide grip optical sensor mouse - high definition optical sensor delivers smooth and responsive control and switchable dpi of 800/1200/1600, so you can set cursor sensitivity to your personal preference right-handed mouse - the right-handed design features a clickable scroll wheel that is ideal for speeding through documents, web browser buttons on the side and a middle button for dpi settings small wireless mouse - clutter-free wireless technology of 2.4 ghz for long range with minimal interference; plus the nano receiver can be stored inside the mouse, ideal as a travel mouse lasting power and compatibility - battery life up to 12 months, 2 aaa batteries incl. use with windows 10, windows 8, windows 7, mac os x and later (usb-c to usb 3.0 adapter needed for newer mac devices) System ram type: ddr3_sdram