Built for endurance. versatility. and comfortSucceed in a multi-device world with M720 Triathlon Mouse. You’ll power through tasks by switching seamlessly between 3 computers. and fly through documents and web pages with hyper-fast scrolling. Boosted efficiency means this BluetoothÂ® and Unifying mouse lasts for 24 months on a single AA battery. All that in a full-size shape fitting comfortably under your hand.Easy-Switch technologyPair your mouse with 3 computers. then switch seamlessly between them at a touch of the button conveniently positioned under your thumb. The 3 illuminated numbers always let you know to which device you’re connected.Hyper-fast scrollingFly through long documents and web pages with a spin of the wheel â€“ and stop instantly â€“ or switch to click-to-click scrolling when you need precision.