Please Note: The USB to USB C Adaptor owns general functions as USB A Port. So: 1. It can NOT support PD Protocol Fast Charging 2. It can NOT transfer HDMI or other Video/ Audio Siginals if you connect to USB C Docking Station. Durability and Stable Design: Aluminum-Alloy Body, Built-in 56O pull-up resistor ensures it's stable performance, protect your USB-C Device. Wide Compatibility: Compatible with USB-C cable for Nexus, Pixel and Smart Phones charging or data transferring, USB-C Hubs, USB-C Peripherals such as USB-C flash drive, USB-C mouse, USB-C Earphone, etc. UP to 10Gb/s Transferring Speed: Built-in Chipset, The Speed of this USB A to USB-C Adapter can reach 10Gbps if you connect to USB 3.1 A Port(not USB 3.0 or USB 2.0 A Port), and both sides are same 10Gbps speed, different from others with USB 2.0 on One Side. RIITOP Upgraded Double-Sided USB TO USB C Adapter: This is a USB C Female to USB 3.1 A Male adapter, allows you extend USB-A ports of laptops, PC, chargers, or other devices to a USB-C port, to connect USB-C peripherals.