[Best Compatible Bluetooth 4.0 Chip]-Compatible with more than 99% of Bluetooth devices. Connects to 10.2 2019, 9.7 inch 2018, 9.7 2017, Pro 12.9 inch / 11.0 inch / 10.5 inch / 9.7 inch, 10.5 / 2, mini 5/4, 11 Pro Max, 11 Pro, 11, Xs Max, etc. PC, pro /2017/2018/2019 laptop, notebook, OS; supports Win7 Win8 Win10 Linux OS X. Comfortable Touch & Ultra-Thin Design: The symmetrical and ergonomic design makes this wireless Bluetooth mouse suitable for left and right hands. Excellent surface coating technology provides a skin-like touch. Ultra-thin and portable, the mouse can be used anytime, anywhere during travel. Highly suitable for use at work/study/play. Silent Clicking & Adjustable DPI: The special silent design of the left and right buttons allows you to focus on work or gaming without disturbing others. Switch between DPI levels of 800, 1200, and 1600 to meet your high-precision needs. Advanced optical tracking technology ensures greater sensitivity and can track accurately on various surfaces. Rechargeable & Energy-Saving: The mouse has a built-in rechargeable battery with a charging cable. No need to replace the battery. For saving and long-term use, the mouse automatically enters sleep mode after 11 minutes of inactivity; simply click any button to wake it up. How to Use a Bluetooth Mouse: Turn on the mouse's power switch, open your computer's system settings, and turn on the Bluetooth function. When the computer's Bluetooth shows it's searching for nearby Bluetooth devices, you need to press and hold the "black button" at the bottom of the mouse for 3-6 seconds. Then, your computer will display the Bluetooth mouse when searching for the device, and then click to connect it, and it will be connected successfully. How to Update Software Version? (Open Settings and click General to find the Software Update function) Click Download to install the latest version of iOS 13). Bluetooth connection for or differs from that of the laptop. First, open Settings, find the Help function, open Contact Control, find the Auxiliary Contact Control, open the Auxiliary Contact Control, open the Auxiliary Contact Control, then scroll down to find the pointing device, turn on the Bluetooth device, then turn on the mouse power switch, and press the button at the bottom of the mouse The black button for 3-5 seconds, your will search for Bluetooth mouse devices and then click "Connect". Enter the pairing password: 0000 (If you cannot find the Bluetooth mouse device, restart the mouse or Bluetooth function, or restart and update to find the Bluetooth mouse device). Color: White Material: ABS Size: 114x58x20mm Package Contents: 1*Wireless Mouse 1*Charging Cable (Note: Upgrade the system to iPadOS 13 and iOS 13 or later, and turn on "Assistive Touch") Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.