Transparent USB-C Female to Female Coupler Adapter with Smart LED Power Tester Detector, USB4.0 40Gbps 140W PD Fast Charging Extension Connector Real-Time Voltage Current Wattage Monitor

This transparent USB-C female to female coupler is an all-in-one extension connector integrated with a smart LED power tester detector, combining cable extension, high-speed data transmission, high-power charging and power parameter detection into one compact unit. The transparent housing reveals delicate internal circuit components, delivering a unique futuristic mechanical look popular among hardware modders and gadget enthusiasts.

The embedded intelligent monitoring chip continuously detects operating parameters and displays real-time voltage, current and output wattage on the LED screen. You can conveniently verify the actual power performance of wall chargers, power banks and charging cables, and avoid potential harm to expensive devices caused by unstable power supply.

Compliant with complete USB4.0 standard, the coupler achieves 40Gbps ultra-fast bandwidth for mass file backup and supports DP Alt Mode to transmit 8K high-resolution video signals to external displays. It fully supports PD3.1 EPR protocol, safely delivering up to 140W power without voltage drop, perfectly matching MacBook series, Steam Deck, ROG Ally and other high-power Type-C electronics.

Adopted full gold-plated 24-pin contacts, this female-female adapter minimizes signal attenuation and electromagnetic interference for consistent long-term performance. Driver-free plug-and-play design works universally with USB4, Thunderbolt 3/4 and all standard USB-C phones, tablets, notebooks and power supplies.

Ideal for content creators, mobile gamers, electronic maintenance workers and daily Type-C device users. It functions as both a cable extension coupler and a portable power testing tool for home, travel and office use.