[No USB Connection] The Bluetooth mouse is the best companion for your laptop that is not equipped with a USB port. Moreover, it can realize one mouse controlling three devices. Easy switching of connection mode between three devices with just one click, bringing more convenience for people who use a variety of devices. [Easy to Use] No driver needed, just turn on the power switch to Bluetooth mode and turn on the Bluetooth on your laptop, then pair the mouse with your laptop. You don't need to pair again when you return to connect the first device you used. Classic smooth and solid scroll wheel allows you to maintain the usual mouse usage habits. Perfectly adjustable DPI 1000/1200/1600 for you and to meet different needs. [Wide Compatibility] [2.4G Requirement]: Devices with USB interface. [BT3.0 System Requirement]: Windows 8.0 or later; [BT5.0 System Requirement]: Windows 10.0 or later; Mac OS 10.13 or later; iOS 14.5 or later. [Slim and Portable] Compared to most mice on the market, the Bluetooth mouse is dramatically lighter and thinner. The wireless mouse can be easily put into your laptop bag or pocket so you have it wherever you need it, perfect partner for travel! [Rechargeable & Silent Click] Built-in rechargeable batteries, long lifespan, easy to charge with micro USB cable (charging 1 hour to last for 30 days), no more need for extra AAA batteries, never worry about the mouse running out of power. Less noise < 30 db, with silent clicks perfect for public places like offices, libraries, dorms, internet cafes where you don't want to disturb others or interrupt your concentration.