About this item THUNDERBOLT POWER DELIVERY: Charge your MacBook Pro while using the USB C Hub Adapter with Thunderbolt Type C pass-through charging port that also supports up to 100W of Power Delivery (PD); quickly charge your devices while transferring data SD CARD COMPATIBILITY: Moving files between your memory cards and computer couldn't be easier with our USB hub with SD card reader; it supports up to 2TB and all SD and Micro SD formats for easy access to photos, music, and other media files SUPER FAST USB 3.0 PORTS: This USB C multiport adapter uses a USB 3.0 interface for data transfer speeds of up to 5Gbps so transferring large files or multiple files simultaneously is a breeze; it also supports BC1.2 with max power of 5V@1.5A USE MULTIPLE DISPLAYS: Extend the display of your MacBook to your TV, monitor, or projector via the USB hub's HDMI port; supports up to 4K@30Hz resolution and audio and is backward compatible 7 EXTENSION PORTS: This premium MacBook Pro accessory expands your laptop's connectivity with 2 USB 3.0, 2 USB C, 2 SD card reader, and 1 HDMI ports; it's the ultimate and compact companion for your productivity requirements