usb c hub bridges the gap between USB-A and USB-C to connect older devices to your new USB C laptop and even accesses both SD & microSD cards at the same time too usb c card reader High-speed transmission: Type C Superspeed Aluminum USB 3.0 2-in-1 Card Reader provides superior transmission performance. Ultra-fast data transfer up to 5 Gbps, Backward compatible with USB 2.0 / 1.1 / 1.0. USB C port into 3 USB 3.1 Gen 1 (USB 3.0) data ports with data transfer rates up to 5Gbps Slim & Lightweight Design: Featuring an ultra-thin form factor with minimal weight, this hub is ideal for home, office, or anywhere you goDual Protection: Improved circuitry provides comprehensive EMI (electromagnetic interference) and ESD (electrostatic discharge) protection for more reliable performance Buy with maximum confidence: 12-month guarantee as wellour device has stable output