1. 3DPI SWITCH: Uses optical sensor technology with selectable DPI settings up to 1600 (800, 1200, 1600), providing accurate tracking for various applications. 2. Features Bluetooth 4.0 connectivity and a built-in 450mAh rechargeable lithium polymer battery with high cycle durability. Charges fully in approximately 1.5 hours and offers extended usage time. Auto power-off function conserves energy by turning off the mouse when the connected device is powered down or disconnected. Enters sleep mode after eight minutes of inactivity and resumes operation when any button is pressed, ensuring low power consumption. 3. Compatible with Windows, Mac OS X, Linux, Android, and most other operating systems. Works with PCs, notebooks, MacBook, Windows tablets, and Android tablets. 4. Ergonomically contoured design with an ultra-thin, lightweight build and smooth surface for comfortable use during extended periods. Non-slip rubber scroll wheel provides secure grip during scrolling. Suitable for everyday office tasks and personal use.