YOJOCK specializes in electronic testing instruments such as USB power meters, digital multimeters, and gas leak detectors for home and industrial use.
YOJOCK is a manufacturer of precision electronic testing tools and digital accessories. The brand is best known for its range of USB testers and power meters, which allow users to monitor voltage, current, capacity, and power delivery for smartphones, laptops, and other USB-C devices. These tools support various fast-charging protocols and help verify the performance of charging cables and adapters.
Beyond USB diagnostics, YOJOCK produces safety and networking tools, including combustible gas leak detectors for homes and RVs, carbon monoxide alarms, and network cable testers. They also offer high-speed connectivity solutions such as 8K DisplayPort cables.
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For many models like the KWS-066C, press and hold the function button for approximately 3 seconds to clear the recorded capacity (mAh), energy (mWh), and timing data.
You can reach YOJOCK customer service via email at Serviceyojock@outlook.com or by contacting them through their official Amazon storefront.
Yes, most YOJOCK USB-C testers support various fast charging protocols including QC2.0, QC3.0, PD3.0, PD2.0, FCP, and SCP for testing charging speeds accurately.