Keychron M6 Wireless Mouse features the best PixArt 3311, PixArt 3395, and PixArt 3950 sensors. It supports 2.4 GHz, Bluetooth, and USB wired connections. Besides, it provides dual scrolling modes and multiple ways of scrolling, with select models featuring a Premium Magnetic Metal Scroll Wheel for smoother, quieter, and more precise scrolling.Bottom of Form