Connect your type C U-Disk, Mobile, HDD, Data Cable, Smartphone or Tablets with type-c port to the USB 3.0 device to enjoy a fast data transferring and charging. Allows connections to your USB Type-A Laptops or Chargers with USB Type-C cable, USB Type-C Hubs and other USB Type-C devices. Compatible with USB C to Lightning cable, USB C to C cable. Plug & Play, no driver required. With USB 3.0 protocol, high speed data transfer rate up to 5 Gbps. Portable design, with small size which can be carried to anywhere you want. Any problem, just send me amazon massage, I'm glad to provide you after-sale service.