The JCC155G enables you to output high-definition HDMI 4K video through a USB-C port that supports DisplayPort Alternate Mode. The USB-C display cable gives you the ability to quickly and easily connect your USBC device to an HDMI TV or display. The additional USB-C female port makes it possible to charge your device and still be able to connect to a display. HD 4K HDMI The JCC155G enables you to output high-definition HDMI 4K video through a USB-C port that supports DisplayPort Alternate Mode. Additional USB-C Compliant with HDMI 2.0 specifications 4K @ 60 Hz. Additional USB-C female port gives you the ability to connect a USB-C PD charger giving you up to 100W of charging. Compatible with Mac Ideal accessory for MacBook and other laptops, tablets, and smartphones with a USB-C port. 6 ft Cable USB-C cable 6 ft./180 cm with a USB-C female port cable 4 ft./120 cm. Charge and connect The additional USB-C female port makes it possible to charge your device and still be able to connect to a display.