M650:
●Smarter Scrolling
- Get line-by-line precision and super-fast scrolling with a flick of the SmartWheel.
●Elevate Your Comfort
- Work comfortably for long hours thanks to a contoured shape, a soft thumb area, and rubber side grips.
●Connect Your Way
- Connect instantly via Bluetooth or Logi Bolt USB receiver.
●Less Noise, More Focus
- Enjoy 90% less click noise with SilentTouch technology (compared to M185).
●Customizable Buttons
- Customize the side buttons to your favorite shortcuts with Logitech Options Plus.
●24M Battery Life:
- Work for up to two years with the included AA battery.
K650:
- Dual-mode connection: Bluetooth or Logi Bolt receiver
- Low-profile, cushioned keycaps with an indented design for comfortable typing
- Integrated comfortable palm rest and a quiet, lightweight keyboard
- Spill-resistant and easy to clean
- New convenient hotkeys for voice dictation, EMOJI, screenshot, and browser tabs
