HDMI out for digital high-definition video and digital audio
HDMI is a direct digital connection that can carry digital HD video as well as digital multichannel audio. By eliminating the conversion to analog signals it delivers perfect picture and sound quality, completely free from noise. HDMI is fully backward-compatible with DVI.
Multiple USB-C and USB-A ports
Multiple USB-C and USB-A ports allow you to expand your MacBook / MacBook Pro or other USB-C enabled device to conenct to all USB devices you need while charging via USB-C charger.
Supports 4K @ 30HZ
Supports high-speed HDMI 4K resolution at 30 fps.
Supports USB 2.0 data transfer
Supports USB 2.0 high speed 480Mbps data transfer rate
USB-C port with Power Delivery support
USB-C is the latet charging connector which is now adopted by mobile devices such as cell phones, outdoor cameras and tablets. PD (Power delivery) is the USB standard for power delivery which defines the standard for power delivery of 15W, 27W, 45W and up to 100W.