Product Details The official Raspberry Pi mouse is a three-button optical mouse which connects via a USB type A connector either to one of the USB ports on the keyboard or directly to a compatible computer. Three-button optical mouseScroll wheelUSB type A connectorErgonomic design for comfortable useCompatible with all Raspberry Pi products specifications Attribute Value Model Rpi-MOUSE Wired/Wireless Keyboard Wired Wired/Wireless Mouse Wired Mouse Tracking Method Optical Mouse Buttons 3 Colour Black, Grey