Quality mouse comes with several accessories including battery r6 2, 3 supports (one black) to fix on different computers for attaching mouse, a tool designed to eventually remove the above-described support, imprégées wipes product to clean the party or the mouse will be installed traction and a small metal box containing all and that can be stored in a computer briefcase compartment. The receiver is minusculeb and can remain permanently in the USB socket without risking tearing as it hardly exceeds. The mouse is a little heavier than average but becaufe uses two batteries that allow it to have a battery life of 18 months. The grip is good, excellent glide, very comfortable use AVC very soples buttons and a heavy wheel used with or without notches. it switches from one mode to another by clicking on the wheel. The drivers can be downloaded from Logitech's website. The mouse automatically étteint when the eclipse on its support prmettant conserve battery power. In summary efficient mouse and convenient as well thought out, with support that allows to fix it on the computer and move the entire store without cable and without the risk of dropping it. All at a reported price was ridiculous product quality and design compared to competing and mouse.