Features: 1. 3-Port USB 3.0 Expansion �� Expands three USB 3.0 ports for more computer peripherals, backwards compatible with USB 2.0 devices. 2. TF & SD Card Reader �� Read and transfer data between a type-c device and SD/TF card. Both card slots can be read at the same time. 3. High-Definition Multimedia Interface �� Up to 4K 30Hz and 1080P 60Hz smooth video and voice sync output. 4. With 100W Type-C PD Charging Support �� Fast and safe charging for your devices. 5. OTG Function Supported �� Plug the hub into your mobile phone or tablet and you can connect an SD card, TF card, flash drive, mouse, keyboard or other USB devices. Please note that the mobile device must support OTG function as well. 6. Sleek Appearance + Portable Size �� Keep your desk tidy and easily carry the hub with you.