SMARTWHEEL SCROLLING - 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.
THE PERFECT FIT FOR YOUR HAND - Comes in 2 sizes, Normal (Palm size < 19cm / 3 bank cards size), Large (Palm size >19cm / 3.5 bank cards size).
COMFORT, UPGRADED - Contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.
CONNECT YOUR WAY - Either Bluetooth or receiver, for multiple platforms.
LESS NOISE, MORE FOCUS - Stay focused on your work with 90% less noise distraction.
GAIN TOTAL CONTROL - Assign your favorite shortcuts to the five customizable buttons.

DIMENSION
Signature M650
Height: 107.19 mm
Width: 61.80 mm
Depth: 37.8 mm
Weight: 101.2 g

Signature M650 L
Height: 118.19 mm
Width: 65.63 mm
Depth: 41.52 mm
Weight: 111.2 g

Technical Specifications

Sensor technology: Logitech Advanced Optical Tracking
Nominal value: 400 dpi
Max value: Up to 4000

Number of buttons: 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click)

Logi Bolt USB Receiver
Required: Available USB Port
Windows 7, 10, 11 or later
macOS 10.10 or later
Linux®
Chrome OS™

Bluetooth Low Energy
Required: Bluetooth Low Energy wireless technology
Windows 10, 11 or later
macOS 10.15 or later
Linux
Chrome OS
iPadOS 13.4 or later
Android™ 5.0 or later