Scroll smarter: With the Logitech Signature M650 Wireless Mouse, enjoy line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel. The optimal fit for your hand: This comfortable full-size mouse is designed for larger hands, providing an optimal fit. Upgrade your comfort: This work mouse offers long-lasting comfort thanks to its contoured shape, soft thumb rest, and rubber side grips that keep your hand secure and supported. Connect the way you like: Connect this cordless computer mouse instantly via Bluetooth Low Energy or the Logi Bolt USB receiver. Less noise, more focus: Whether working in the office or at home, the Logitech Signature M650 is a quiet mouse that delivers 90% less click noise with SilentTouch technology. Note: This version of the Logitech M650 does not support the original driver and is plug and play. The product does not include batteries.