Description: Single Side USB3.1 Transmission Speed: There is no internal conversion chip, only one side of the Type-C interface device can reach the transmission speed of USB3.1, and the other side is USB2.0. USB A to USB C: Old USB interface cant compatible with new type C interface, use this adapter cable to solve compatibility issues. (Note: The USB-C interface after the transfer cannot realize the video transmission function) Phone Charging: Connect to mobile phone for fast and safe charging, support 3A high-current fast charging, built-in pull-up resistor to intelligently identify the current required by the device. Aluminium Housing: The USB A to USB C adapter is made of aluminium alloy and rust-class nylon braided cable, which can ensure a longer service time. Compatibility: Suitable for a variety of devices, USB-A is suitable for charging heads, computers, USB extenders, Type-C is suitable for mobile hard drives, mobile phones, Type-C earphone. The adapter fits very well with your devices, frequent unplugging or plugging in does not make a loose connection. Plug and play. Specification: Material: Aluminum Alloy Color: Silver Gray, Black Packing Size(LxW): About 180x110mm/7.09x4.33inch Package includes: 1pc x USB 3.1 A to USB C Adapter