Product information: System requirements in Bluetooth Mode: (1) iPadOS 13 or later (2) iOS 13 or later (3) Windows 8/10 or later (4) Mac OS X 10.10 or later (5) Android 5.0 or later 1.New Upgrade: Unique charging technology, built-in lithium battery 2.Silent design: Both left and right clicks are silent, no sound when you click 3.3 DPI types: Adjustableprovides precise positioning Specifications: Item Name: 2.4G Wireless Mouse and Bluetooth 5.0 Mouse Buttons: 4 buttons The maximum DPI: 1600 DPI Adjustable DPI switch: 800/1200 / 1600DPI WiFi range: 10M Battery: Rechargeable battery Charging cable length: about 35-45cm Switch life: 10 million times Size: 112 * 57 * 25mm Support System: Windows / Mac / Android / iPadOS Note: When the mouse cursor cannot locate accurately, the mouse needs to be charged. When loading, the scroll wheel is blue. Packing list: Mouse*1