USB 3.1 GEN1 5Gbps adapter with USB-C type male connector on one end and A type female connector on the other end. Data transfer rate up to 5Gbps. Compatible with ports with Thunderbolt 3. This cable also works with mobile device, tablet equipped with OTG. USB On-The-Go (OTG) is a technology that allows USB devices (digital audio players, mobile phones, PC tablets, etc.) to act as servers. That is, it allows you to connect USB peripherals (USB sticks and hard drives, mice, keyboards, etc.) directly to devices with built-in USB OTG technology without the need to use a computer as an intermediary. The Type-C USB connector is easier to use than previous generation USB connectors. Its reversible design allows you to connect devices with either side facing up. Always insert the cable correctly, without getting it wrong or damaging the port.