This product is aimed to be an adapter for expanding the compatibility of USB-C connector or cable, including 5Gbps SuperSpeed data sync as well as charging. This adapter is designed with thoughtful keychain which is also an easy-grip design for unplugging, and the zinc-alloy exterior to ensure the strongness and long-lasting usage. - USB-A male to USB-C female adapter, designed for data transfer and charging over laptop, iPad Pro, tablet and smartphone. - With USB3.1 Gen1 specification, the data transfer rate up to 5Gbps. Backward compatible with USB2.0/1.1. - USB-C port allows you to connect with USB-C equipped computer, tablet and smartphone with a USB-C cable for data sync (the USB-C port on your device requires data transfer function). - Rigorously tested over 10,000 times, to ensure the durability of port insertions. - Ultra tiny design with a keychain, carrying easily as your belongings. - Solid zinc-alloy housing to ensures durability.