3. When the USB tester is on, click the bluetooth during the measurement, the power is turned on, the bluetooth indicator light flashes from the upper left corner to the upper right corner of the application, open the -up menu to select the current online model. The UD18E test application software , and the USB tester model, UD18, the Bluetooth above allows Bluetooth to be turned on and returns to the main application interface. 2. new materials and new upgrades 4. The left corner turns blue, indicating that the measurement is in the online communication state 1. Mobile phone APP interface function introduction Use the mobile phone Bluetooth function to wirelessly connect the product with the attached mobile phone APP software to achieve more measurement and control details, so that the measurement technology has no boundaries 5. IOS APP: search for E_test in the to download, Weight: 0.1433004703 pounds, Manufacturer: puhae