2.4GHZ WIRELESS: BT 5.0 and 2.4GHz wireless connection, through dual mode connection, BT, 2.4GHz wireless mouse can work on 2 devices, you can switch the mode between the 2 devices by switching. SILENT CLICK: High sensitivity and silent click, switch DPI between 1000, 1200 and 1600, and advanced optical tracking technology can ensure higher sensitivity for precise tracking on various surfaces. SLIM ERGONOMICS: Slim and ergonomic design, this wireless BT mouse adopts a slim ergonomic design. FROSTED APPEARANCE: The glossy frosted appearance can be comfortably and perfectly held in your hand, providing an incredible user experience. 3 MILLION CLICKS: Life test of more than 3 million clicks to ensure long term stable use. A quieter and quieter click allows you to main issue on your work without disturbing others around you.