Please Note-- When compatible with Mac OS, it does not support extended screen effect. LASUNEY 14 in 1 Hub achieves the extended mode by the following steps needed from you: Setting, Display, Arrangement, Cancel Mirror Display. And please drag the setting box to the external screen. Then you can get one display of your monitors (HDMI1, HDMI2 and DP), one display of your laptop. Totally two different contents,Triple 4K Output Display-- When being compatible with WIN OS, LASUNEY 14 in 1 Hub contains 2 HDMI ports and 1 DP port, to help mirror or extend your screens, directly output 4K@30Hz or full 1080P to HDTV, monitors or projectors when simultaneously used (the laptop screen must be off). It highestly supports 4K@60Hz when connecting one 4K monitor. The final resolution is determined by your devices and connection, please check the Product Guides and Documents or confirm with us,High Compatibility With USB2.0, USB3.0 Device--- There are three USB3.0 ports for higher expansion speed and two USB2.0 for covering a wide range of traditional equipment, includes but not limit to keyboards, USB drivers. SD and TF card reader provide high speed data transfer, and can be used at the same time. Allowing you to enjoy efficient transmission while reducing the probability of signal interference,Stable Wired Network And Lossless Sound-- Upgrade RJ45 Gigabit Ethernet can highly provide 1000Mb per second network connection. CTIA Standard 3.5 millionmeters Audio and Mic is workable with different music equipments and give you lossless true sound quality. Providing you a stable and reliable using experience,Lightweight And Outstanding Capability-- Perfect for business trip, travel, data gathering or design project. You just need to connect the hub to your Type C laptop and it will become the best intermediary. Please Note that all the performance of the product will be determined by the Type C port of your computer