PERSONALIZE IT. WITH COLOURFUL, DURABLE SILICONE: Durable, with silicone rubber, this soft, easy- to-sanitize, ambidextrous mouse was designed for you. Pick your favorite from five color options. QUIET CLICKS AND QUICK ACCESS: Quiet clicks, vertical/horizontal scrolling options, and access to the Microsoft Wheel setting for easy shortcuts from one click of the center button, help you do more, quickly and quietly. A MOUSE THAT KEEPS UP WITH YOU: Wireless connectivity via Bluetooth or a 2.4GHz Dongle, gets you up and running, then keeps you there. Up to 6000 adjustable DPI keeps you tracking almost any surface , while a 24-month battery life ensures that you stay clicking day and night. DURABLE LIQUID SILICONE RUBBER: Engineered with liquid silicone that is soft to the touch, easy to clean and sanitize. SCROLL WITH IT: Adapt it to your speed to effortlessly scroll through documents and webpages with the 2D scroll wheel--scroll up and down, side to side. ACCESS THE MICROSOFT WHEEL SETTING: With one click, utilize shortcuts across Microsoft apps with center-button access to the Microsoft Wheel setting. LONG- LASTING BATTERY: Go all day and night with up to 24 months of battery life from one AA battery.