Kensington 72414 PilotMouse Bluetooth Mini Mouse (PC/Mac) DiamondEye optical technology responds to your fastest movements with accurate tracking on virtually any surface Provides secure, interference-free performance with any Bluetooth enabled laptop Has a wireless range of up to 65 feet for maximum freedom in presentation control Backed by a one-year manufacturer's warranty Programmable buttons, a scroll wheel, and an ergonomic shape with integrated grips for incredible ease of use