1. Wireless 2.4G+Bluetooth multiple devices: You can connect three devices simultaneously by changing the mouse button. One is a 2.4G wireless connection, and the other two are Bluetooth connections. 2. Convenient side buttons: Portable side buttons can display all windows. Click the top button to return to the desktop. Greatly improved work efficiency. 3. Ergonomics and Adjustable DPI Design: This wireless mouse is designed specifically for right-handed users. Rest and thumbs can provide better support. 5 DPI levels (1000/1600/2400/3200/4000) allow you to freely control mouse speed and adjust mouse sensitivity. 4. 500 mAh Rechargeable Battery: Equipped with a built-in 500 mAh rechargeable lithium-ion battery, the wireless mouse can be easily charged through a C-type cable. It takes 3 hours for fast charging and a long waiting time. 5. Multi RGB lighting effect: Press and hold the DPI button for 5 seconds to change the lighting effect of 12 modes. Specifications: 1: Project type: Ergonomic vertical wireless mouse 2: Interface: USB 2.4G+BT4.0+BT5.0 receiver 3: Resolution: 1000-1600-2400-3200-4000 dpi. 4: Button: left button, right button, scroll wheel, DPI key, desktop key, thumb wheel, back, forward, tab 5: Maximum working range: 10 meters 6: Charging cable length: 50 centimeters 7: Material: ABS plastic 8: Working voltage: 3.7 V 9: Battery: 500mAh lithium battery 10: Backlight: 12 RGB backlight color modes 11: System requirements: Vista/Win8/Win 10/Mac OS/Android or the latter. 12: Product weight: 122 grams 13: Item size: 12.5 * 8.5 * 5.1 centimeters Package includes: 1 * Mouse 1 * USB charging cable 1 * User manual Note: 1. USB cables can only be used for charging. It cannot be used as a wired mouse. 2. This mouse is not programmable. 3. This is not a Logitech Master MX mouse, it's just similar. Q: How to change the system? A: This mouse defaults to the Windows system configuration (with a blue icon light). If you want to use it on Mac OS X systems, you must press the advanced "desktop one click" button, and when the icon light turns green, you can use it. Q: Why do we need a switch system? A: Like Windows systems, some functions of mouse buttons are different from those of Mac OS X systems.