Features:

Smartwheel Scrolling:
Make scrolling work for you with Logitech SmartWheel. Get line-by-line precision when you need to focus on the details and scroll super-fast when you just want to breeze through lengthy pages. Automatically switch modes with the flick of your finger.

The Perfect Fit for Your Hand:
Choose the Signature M650 that fits you best. We recommend the M650 for small-to-medium hands, M650 L for large-sized hands, and M650 L Left for left-handed users.

Comfort, Upgraded:
You ll enjoy working with your Signature M650. Each mouse features a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place. Get more comfort and focus more on what you need to get done.