240W USB4 Male to Female Extension Adapter with Smart LED Display, USB4.0 40Gbps Type-C Voltage Current Power Tester Detector

This USB4 male-to-female extension adapter integrates a smart LED digital display, acting as a portable power tester and port extender all in one. The onboard LED screen refreshes instantly to show real-time voltage, current and wattage, letting you check charging performance, cable quality and device power draw at a glance for troubleshooting and testing. Compliant with full USB 4.0 specification, it delivers up to 40Gbps high-speed data transfer to move large files, NVMe SSD backups and raw footage rapidly. It supports up to 240W PD 3.1 EPR fast charging, perfectly powering gaming laptops, iPhone 15/16 series, Samsung flagships and all high-power Type-C gadgets with built-in E-Marker chip for stable, safe power output.

It also transmits lossless 8K@60Hz UHD video signal, compatible with Thunderbolt 3/4 laptops, docking stations, external monitors and VR headsets for screen mirroring and extended display. No driver installation required; simply plug between your charger/cable and device to start monitoring and extending your Type-C port. Mini lightweight body saves desk and backpack space, ideal for IT technicians, content creators, gamers and daily users to test cables, power banks and charging equipment anytime.
Note: Full 40Gbps, 240W and 8K performance requires matching USB4/Thunderbolt 4 cables and host devices with DP Alt Mode support.