Product Features: Ultra-thin design: Stylish and comfortable to use. Strong anti-interference: Enjoy a long working distance of up to 10 meters. Intelligent power-saving: Red light design for extended standby time. Scroll wheel: Navigate the web quickly and easily. Note: Please do not disassemble the product yourself. Avoid dropping the mouse. Keep away from water. 2.4G Connection: How to use: 1. Insert the USB receiver located on the bottom of the mouse into your computer. 2. Turn on the power switch on the bottom of the mouse, and you can start using it! (Please follow this order for quick pairing). Bluetooth Usage: 1. Switch to the 'On' position, turn on Bluetooth on your device, and click on Bt3.0 Mouse or Bt5.2 Mouse. How to connect the mouse for iOS: You need to upgrade to iOS 13 or later. Settings → Accessibility → Touch → Assistive Touch → Turn on your phone or tablet and search for pairing.