"The USB cable tester is a small box measuring 2.9 x 2.5 x 0.5 inches and features an array of ports. There are USB-C and USB-A output ports and corresponding USB-C, Lightning, miniUSB, and microUSB 2.0 and microUSB 3.0 input ports to testing cables. This means the tester can accommodate any cable with the respective output and input port. The unit is powered by a single AAA battery, or alternatively you can use USB-C input."
"The unit can handle a multitude of tests, from basic functions showing whether the cable can handle data and power transmission, along with that protocols, a printout of active lines in the cable, a resistance test, and an eMarker chip test (you scroll through the function using the function button)."
"If the cable is equipped with an eMarker chip, the tester will show information such as the maximum current and voltage the cable can carry, the data transfer rate, the type of cable, and even the length of the cable. And it's quick -- just plug the cable in and you get the information immediately."
The Treedix multifunction USB cable tester is a compact diagnostic tool with multiple input and output ports supporting USB-C, USB-A, Lightning, miniUSB, microUSB 2.0, and microUSB 3.0. The unit runs on a single AAA battery or via USB-C input and includes a power switch and function button. A 2.4-inch IPS color screen displays test results and detailed cable information. The tester runs checks for data and power transmission, protocol identification, active line printouts, resistance measurements, and eMarker chip interrogation. When an eMarker is present, the tester reports maximum current and voltage, data rate, cable type, and approximate length. Results appear immediately upon plugging in a cable.
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