IOGEAR USB-C Dual 4K Docking Station with 60W Power Delivery - GUD3C01 Support dual monitor up to 4K resolution via HDMI and DisplayPort Video port* Supports Power Delivery 2.0 (PD 2.0) specification up to Profile 4 (20V/3A, 20V/1.8A, 12V/3A, 5V/3A) Integrated 3-port USB 3.0 Hub for external USB drives, cameras, smartphones, etc.Supports apple charging (5V/2.1A) when the host is disconnected USB 3.1 Gen 1 Type A port supports Battery Charging Specification Revision 1.2 (BC 1.2) for Fast-Charging devices** Integrated Gigabit Ethernet port (RJ-45) - Supports 10/100/1000BASE-T Audio line-in/line-out port for microphone input and audio line output Additional USB-C data port with 5V/3A power support USB and Ethernet port performance may drop when dual 4K videos are utilized. MAC OSX supports only one additional extended desktop screen.