Logitech M325 Wireless Mouse-Brand new in manufacturers sealed packaging. Features: Wireless Technology: 2.4ghz wireless technology connection, even in very busy wireless environment, can achieve up to 10 meters of latency and frame drop stable connection Long Standby Time: Up to 18 months of continuous use,1pc AA battery can be turned off when not in use to save power. Easy Connect: You can easily add up to 6 compatible wireless devices without having to install multiple USB receivers. Convenient Use: Everything you do on your laptop is much easier thanks to tracking technology that allows you to click, point, drag and so on Compatible For: Works compatible for Windows Vista, fit for Windows 7, fit for Windows 8, fit for Windows 10, fit for OS X 10.5 or later, fit for Chrome OS, fit for Linux Kernel 2.6+ USB port Specification Material: Plastic Color: Black Mouse size(L x W x H): About 95 x 55 x 38.7mm/3.74 x 2.17 x 1.52inch Receiver size(L x W x H): About 18.7 x 14.4 x 6.1mm/0.74 x 0.57 x 0.24inch DPI: 1000 Battery: 1pc AA battery(not included) Easy installation: 1. Plug the wireless receiver into the USB port of your laptop or desktop computer 2. Pull out the label ON the battery compartment of the mouse in the arrow direction, and move the mouse button to ON Package included: 1pc x Wireless Mouse 1pc x Receiver