Choetech HUB-M13 USB Type C 4in1 Hub 4K 60HZ HDMI PD 60W Audio For iPad Pro: Innovative IPad Pro HubCompared with traditional USB C hub, this USB C hub for iPad Pro is highly compatible with iPad pro-2019/2018.It supports regular flash drive USB to work in word/excel processor, also able to read video/PDF/ZIP files. Note: If you want to write the documents on the flash drive