Mad Catz RAT 8 MCB4373300A3/04/1 Red 11 Buttons USB Wired Optical 12000 dpi Mouse Hand Orientation: Right Hand Maximum dpi: 12000 dpi Operating System Supported: Windows: 7, 8.1, 10 System Requirement: 1 x USB 2.0 Port Internet connection for software download Package Contents: RAT 8 3 x Removable 6g Weights 1 x High Top Palm Rest 1 x Rubber Coated Palm Rest 1 x Rubber Coated Pinkie Rest 1 x Extended Wing Pinkie Rest QSG |