Massive Expansion 8 in 1 USB C Hub This 8 in 1 USB C multiport adapter connects your old devices with your new USB C laptop to meet your different requirements. Expanding your laptop’s USB C port to 1 HDMI port, 1 USB C data port, 2 USB A ports, 1 PD charging port, 1 SD card slot, 1 TF card slot and 1 Ethernet RJ45 port, no additional drivers or applications are required. Support macOS, Windows, iOS, Android, Linux operating systems.Ultra HD Video USB C DockUSB C hub HDMI port supports 4K UHD or 1080p Full HD resolution for video display, providing optimal visual experience when extending or mirroring your screen to the HDTV, monitor or projector.Ultra-thin USB C Hub with USB Power DeliveryThe USB C hub for macbook air can charge your laptop while multiple peripherals are connected and data is being transferred at the same time. The 100 W power delivery is shared by all USB C devices and adjusted as required. AttentionIf you plan to use the USB C hub to charge your computer that other operations will affect the charging speed.Fast Data Transfer & Ethernet Connection 2 USB A high-speed data transmission ports and 1 USB C data port are set to transfer large files at super fast speeds. TF and SD card slots support various memory card formats such as SD, SDHC, Micro SD, MMC, SDXC (up to 2TB). The USB C dongle that Ethernet connection enables a faster and more stable wired network than Wi-Fi.