PROFESSIONAL GAMING GAMING MOUSE COLORFUL RED LIGHTWEIGHT 67 BUTTONS WIRED Purchase invoice: must be requested at the same time as the order and will be sent via email. In the absence of billing data, a receipt will be issued which cannot be cancelled. The Gammec GP4 is a 7-button gaming mouse, backlit and with an A704 chip that can be programmed with the appropriate software downloadable from the Gammec website. The software allows you to have 5 profiles + import/export, to set numerous functions: Fire, Office, Windows , Multimedia, Macro and to have loop or fixed lighting functions. The DPI adjustments are with a backlit button on 4 levels selectable between 1200-1600-2000-2400-3200 which can be associated with lighting in different colours. The materials, the rubberized paint coating, t