Keychron M5 Wireless Ergonomic Mouse, Compact Vertical Mice with Thumb Wheel, Silent Clicks, 2.4 GHz/Bluetooth/Wired Rechargeable, Customizable Buttons, for Laptop macOS/Windows – Black

Customers find the mouse's sensor quality excellent and appreciate its lightweight design and comfortable grip. The vertical scroll wheel receives mixed feedback, with some saying it's good while others find it slow. The ergonomics, grip, and hand size also get mixed reviews, with some praising the ergonomic angle while others find it slippery and too large for their hands. Button responsiveness is a concern, with customers reporting issues with button clicks not registering properly.