Introducing the CT-04F Professional Audio New Design RJ45 Network Lan Cable Tester! This high-quality product is perfect for testing all types of computer cables and connectors, including USB(A-B), MIDI/DIN (3 Pin, 5 Pin, 7 Pin, 8 Pin), and Speakon (4&8-pole). Its compact size and easy-to-use features make it an excellent choice for anyone in need of a reliable cable tester. Whether you're in the market for a single unit or need to place a larger order, our factory provides customized support for OEM, ODM, and OBM. With fast delivery times and a CE certification, this cable tester is sure to meet all your needs.