The Bluetooth Mobile Mouse is compact for portabilityYou'll appreciate how the Bluetooth® Mobile Mouse 3600 comfortably fits your hand and your mobile lifestyle. Use it just about anywhere, even on a rough park bench or your living room carpet, relying on Microsoft BlueTrack Technology1. No transceivers or wires to manage. Keep using your mouse for up to twelve months with a single battery.Compact design for ultimate portabilityMicrosoft Bluetooth® Mobile Mouse 3600’s compact design makes it ideal for travel.4-Way scroll wheel4-way scroll wheel for navigating up, down, left and right.BlueTrack TechnologyTake advantage of BlueTrack Technology, which combines the power of optical with the precision of laser for remarkable tracking on virtually any surface.Comfortable in either handUse your mouse with your left or right hand. Ambidextrous design makes it comfortable either way.Comfortable in either handUse your mouse with your left or right hand. Ambidextrous design makes it comfortable either way.Up to 12-month battery lifeUse your mouse for up to twelve months without having to change batteries.