Features Smart USB Tester: This USB cable tester comes with 3 kinds interfaces of Type C, Mini USB and Micro USB, a total of 6 test interfaces. Easy for Testing: The test board can detect open circuit, short circuit, welding wire welding error, and other issues in data lines. With Clear Alarm: Equipped with LED light and buzzer indicator, the testing module can clear show the test result and error position. High in Accuracy: Premium chip ensures accurate measurement, while the protection enables higher stability and security of testing. Simple Operation: Light in weight and compact in size as well, this USB test board is very convenient to store, carry and install. Specification: Item Type: USB Cable Tester Product Power Supply: Micro USB 5V Product Material: PCB Supported Detection Port Types: Type C, mini USB, micro USB. Product Function: It can test USB data lines for open circuit, short circuit, incorrect welding of wire materials, and other faults.  Package List:1 x USB Cable Tester Package List 1 x USB Cable Tester