MX MASTER 2S is the ultimate precision mouse for power users. Harness the power of Logitech FLOW and take using multiple computers simultaneously to a new level. Control up to three computers and easily move text, images and files between devices. The speed-adjustable scroll wheel makes scrolling through documents or web pages faster and easier. MX MASTER 2S lasts for... over two months on a full charge and charges in three minutes to last a full day. Given the high-precision tracking, you can work virtually anywhere - even on glass. The contoured, hand- friendly design keeps your hands and wrists in a comfortable and natural position.