Product parameters: USB C hub: 12-in-one USB C hub includes Ethernet/RJ-45 port, C-type PD charging port, 2 USB3.0 ports, 2 USB2.0 ports, 2 HDMI video outputs with 4K resolution, VGA, and Micro SD and TF card reader. SD card slot and TF card slot can be used on the hub at the same time. The microphone/audio port design is extremely compact and stylish. Ultra HD 4K output and triple display: Use USB C adapter HDMI port to mirror or expand the screen, and directly stream 4K UHD or Full HD 1080P video to HDTV, monitor or projector for a movie-like visual feast. Triple display: one display HDMI1 output, one display HDMI2, one display VGA output, but only Windows system supports MST, but Mac OS does not. Screen switching shortcut: Windows+P. The triple display makes it easier for you to manage multiple applications. Reliable and ultra-high-speed data synchronization: Two 3.0 USB ports support transfer speeds of up to 5 gaps. Two USB 2.0 ports with 480 Mbps transfer speed. Due to the USB 3.0 radio frequency interference wireless connection, it is recommended to connect to the USB 2.0 port located on the other side of the USB 3.0. Extensive compatibility: Compatible with the latest laptops and smart devices with USB C ports: Mac book 12”/Pro, Mate Book X, mi air12.5/13. 3, Google chrome-book 2016, etc. In Windows 7 Work on /8/8. 1/10, Mac OS X 10, 6, Linux 2.6.14 or later operating system; for more details, please refer to the product description below. HP charging and incompatibility issues may be It is caused by HP, because they do not allow third-party chargers to charge their laptops. The compact form factor is highly flexible: extremely compact and slim, even if space is limited, you can place it wherever you want to work. Put the hub in your school bag for presentations, data collection, design projects, etc. Ideal equipment for daily carrying, commuting and traveling.Product gross weight: 170g Product net weight: 98gProduct size: 28*5*1.4cm Packing size: 17*9*2.5cm