?NOTE?Since the USB 3.1 standard needs to be backward compatible with USB 2.0, every time this kind of USB Type-C female to female adapter is connected, there is a 50% chance that it will be non-functional. Just unplug, reverse one side, insert again, solve. This is an industry standard issue, not a quality issue. ?Widely Use ?: The USB C Adapter can be installed on ground sockets, desktop sockets, and 86 panels, and is widely used in cinemas, stages, home audio and video, KTV, automated intelligent equipment and various weak current engineering facilities connection ports. ?Welding Free?: Standard round Series connector for Panel Mount Installations, USB female to female field installable coupler, no soldering, no installation tools. Plug and play. ?Durable, Transmission stability?: With Aluminum alloy shell, fast and durable, It can easily realize the conversion between usb C and Type C, and provide a more stable transmission environment. Adapt to a variety of harsh environments, acid, alkali, oxidation and so on. Guarantee the stability of the current. ?Stable & High-speed Transmission?: Type-C Female Socket Connector,The copper needles uses brass solid terminals and the surface is gold-plated,transmission speed up to 5Gbps,and it supports charging to your devices with Type C input.