User Manuals, Instructions and Guides for J7-C products.
J7-C USB C Tester,KJ-KayJI 2 in 1 Tester Color Screen IPS Digital Instructions
Learn how to use the J7-C USB C Tester KJ-KayJI 2 in 1 Tester, featuring a color screen IPS digital display. This user manual provides basic instructions, common problems, and scope of applications, helping you test USB devices with ease. Get accurate results for USB A charger, USB C charger, power bank and other USB devices.