This cable tester support Type-C, MINI USB and Micro USB cable. Use for test USB data cable fault such as open circuit, short circuit and welding error.
How to use
Connect the power or external USB power to Mrico USB port.
Connect the need test cable, one head contact USB port, and other one contact the correct port. Then press the reset button.
If the cable is good, then all 4 LEDs will be light. if all LEDs are not light, means the cable has open circuit problems. The LEDs will be light from left to right, if the lighting is not consistent, means this cable has welding error problems. If has 2 LEDs light in one time, means has short circuit problems.
After the "di" sounds, 4 LEDs are light again, the test is completed