Scroll smarter: With the Logitech Signature M650 Wireless Mouse, you get 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 a natural fit Upgrade your comfort: This work mouse provides long hours of comfort thanks to a 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 up to 90% less click noise thanks to SilentTouch technology Note: This version of the Logitech M650 does not support the original driver; it is plug and play The product does not include batteries