Scroll smarter: With 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 Upgrade your comfort: This mouse provides long hours of comfort thanks to its shape, soft thumb area and rubber side grips that keep your hand snug. Sizes and handedness available. Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90% less click noise with SilentTouch technology Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts - like back/forward or copy/paste 24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse.