D+ or D- is off, indicating the data transmission function is abnormal.
Port: Type-C, Type-A, Micro; Made of high quality materials and stable structural design, the USB Cable Tester provides excellent performance and long service life, ensuring you reliable testing in any situationThe product features a portable design, compact size, and is easy to carry and use.; Insert the test cable into the corresponding input port after connecting the power from the power supply port 4 lights are on for normal power on, no light is on for abnormal power on (5 lights are on for normal dual-type-c connection).; With powerful data cable pass-through detection function, it supports C-type, micro and iOS interface inputs to ensure your data cable functions properly.;
Package: You will get 2x USB data cable test board.