1. Connect the instrument via mobile phone Bluetooth to measure color, calibrate the intrument,etc. 2. Equipped with multiple electronic color cards to quickly match the measured color to the closest color number, which can be used for color sharing through WeChat, QQ, email, etc. 3. A variety of color spaces are available, which is convenient for color measurement of various needs. 4. Color data can be imported and exported to achieve multi-device data sharing. 5. With the color comparison func