The M300 Silent Mouse is a wireless multi-mode mouse with various features. The silent switches reduce click sounds. The intelligent switching between Bluetooth 3.0, 4.0, and 2.4 GHz enables stable wireless transmission. You can use your mouse without a free USB port and without a receiver. The M300 intelligently connects to the active device and can be connected to up to 3 devices simultaneously, effortlessly switching between them. This simplifies cross-platform use and meets multitasking requirements. To ensure accuracy across different screens, 4 dpi settings can be adjusted from 600, 1000, 1300 to 1600, allowing for up to 1600 dpi. Thanks to Rapoo's latest energy-saving technologies, you can use the mouse for up to 9 months without changing the batteries.