Multi device mouse: comes with USB A, USB C, and Bluetooth for connection 3 devices at once. Compatible with iPad, MacBook, desktop, PC, laptop, tablet, computer, smartphone, or Chromebook etc Mouse built in rechargeable lithium battery that lasts for more than 60 days with a single charge (based on 2 hours' non-stop use per day) Ergonomic design: provides a comfortable, easy-to-grip thumb rest design, naturally fits your hand Adjustable mouse cursor movement speed: 1000/1600/2400/3200 DPI, not lag and stuck Compatible with Windows, Linux, Mac, Chrome, iOS, Android system. Silent clicking: perfect for use in the office, at home, a cafe, library without disturbing anyone around you.