1-USB 3.0-5Gbps ultra-high-speed transmission,1 USB 3.0, 1 Type C 3.1 and 1 4K HDMI Female EXPANSION PORT, meet the transmission, Charger requirement.
2-Connect with plenty of USB and charging to Macbook.
3-Reversible Type-C interface, plug in both directions.
4-Transmits high-definition audio and video from computer or tablet to HDMI display for streaming and gaming with resolution up to Full Aperture 4K(4096×2160) / 2160p (4K) Ultra HD. Also, supports 1080p, 720p, 480p and other.
5-Compatible with HDMI 1.4 and former versions as well as HDMI audio