The Bullet Train USB 3.1 Extension Cable with Hub is designed for extending and managing multiple USB connections, specifically for video conferencing applications. It features four active USB-A female ports, supporting USB 3.1 Gen 1, USB 3.0, and 2.0, and can connect four USB 4K cameras via one USB connection up to 40 meters away. Constructed with Cleerline SSF fiber optics and reinforced with Kevlar, the cable has a 5 mm bend radius and meets CL2/CL3 in-wall rating standards. The hub operates as a USB 2.0 device without external power or as a full 4-port USB 3.1 hub with power. Compliance includes UL 444/CSA C22.2 No. 214, CE, FCC, ISF certifications, and RoHS compliance. Applications span education, corporate, retail, hospitality, and luxury homes.