1、Charging Test Board: Supports Quick Charging 3.0 and compatible with QC2.0 protocol, which can induce quick charging voltages such as 7V, 9V, 12V and 20V and Quick Charging 3.0 4V to 12V for ageing test and quality identification. 2、Protocol Simulation: Built in for Qualcomm Quick Charging 2.0 handshake protocol can simulate the A and B protocols of Quick Charging 2.0 to display different induce output and voltage. 3、Convenient Operation: Through the buttons, you can easily switch between Quick Charging 3.0 mode and Quick Charging 2.0 mode, and induce fixed 9V, 12V and 20V for power supply. 4、Practical Application: Also allows for flexible application in current and voltage testing, USB female output, data pass through mode, and so on, very practical to use. 5、Easy Carrying: The trigger board has a small size and a light weight, largely simplifying the carrying for daily use.