[Versatile Instant Expansion] Plug-and-play, and supports hot-swapping or hot-plugging, multi-platform compatible, Auto Switch Between Bus Powered and Power Delivery Powered Mode, Instantly adds 3x USB 3.0 Port, USB 3.0 TF/SD Card Slot, 1 HDMI 4K@30Hz, 1 Power Delivery PD 2.0 Port [HDMI Port Max Resolution 4K@30Hz and 1080P@60Hz]HDMI adapter mirrors your laptop display to HDMI-enabled device with the resolution up to 4K@30Hz and 1920 x 1080 (1080p) @ 60 Hz. Downward compatible 2K/1080p/720p/480p/360p resolutions [3x USB 3.0 + 1x TF + 1x SD Slot ] 3 USB 3.0 ports 5 Gbps Speed, 1 SD/SDHC/SDXC/MMC 4.0 card reader 5 Gbps Speed, 1 micro SD/SDHC/SHXC card reader 5 Gbps Speed .Allow you to quickly upload and download photos, videos, music and other files. Connect to your external storage, keyboard, mouse, headset, optical drive, and more.Backward compatible with previous USB generations USB 2.0/1.x Devices

Convenient Connection: This 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 Easy Expansion: Turn a single USB C port into three USB 3.1 Gen 1 (USB 3.0) data ports and SD & microSD card slots with data transfer rates up to 5Gbps Dual Protection: Improved circuitry provides comprehensive EMI (electromagnetic interference) and ESD (electrostatic discharge) protection for more reliable performance