11-in-1 full-function expansion, integrates 4K HDMI, VGA, PD charging, USB ports, audio and card reader all in one.; 4K HDMI + VGA dual display output, support screen mirroring and extended display for office and entertainment.; 87W PD pass-through fast charging, steadily powers Type-C laptops, iPad and smartphones while in use.; Built-in Samsung Dex compatibility, turns Samsung phone into desktop workstation for office and multimedia use.; Wide system compatibility, works perfectly with MacBook Pro, 2017/2018 iPad Air and all USB-C enabled devices.