USB C HUB 7 IN 1: The USB-C hub adapter is compatible with all devices that contain Type-C / USB ports, especially for MacBook Pro and Air. 7-in-1 USB-C HUB contains a USB 3.0 and a USB 2.0, a USB C port, a PD port, a 4K HDMI port and slots for SD / Micro SD card readers, compatible with MacBook Pro / Air, Chromebook and other types -C devices. So that you can solve the problem of a single laptop interface anytime, anywhere.USB C HUB 4K HDMI: The USB-C HUB supports high resolutions of up to 4K 3840 x 2160 @ 30 Hz and streams 4K or Full HD 1080p videos directly to HDTV, monitors or projectors and is backwards compatible with 2K / 1080p / 720p resolutions. Type C hub also supports OTG function, which allows you to transfer files / pictures / videos directly from the USB stick to your smartphone. Reminder: Supply power to the HUB via PD port while use HDMI to achieve perfect performance!Dual-core technology, PD fast charge: Aviation aluminum case and optimized heat dissipation system ensure better heat dissipation and safe use. In combination with the integrated dual-core chip, which has a lower power consumption, all ports can work efficiently and the data transfer speed becomes higher. Supports up to 87W fast charging (Note: fast charging requires a fast charging adapter)Quality guarantee sincere service: All parts are strictly controlled and quality assured! Great compatibility, plug and play, no drivers required. If you encounter a product problem, you can always contact us through Amazon and we will 100% solve the problem for you.