Mazer Black Edition is world most compatible USB-C Multimedia Pro Hub. Mac OS, iPad OS, Windows OS, Android OS, Samsung DEX, Huawei EMUI Desktop Mode, Pixel Desktop Mode and many others OS. Slimmest & Most Compact 8-in-1 Hub Turns a single USB-C connection into 8ports (4K30Hz HDMIX1, VGAX1, 3 x USB-A 3.0, Micro SD/SD Card Slot & USB-C PD100W Charging Port) USB-C PD3.0 100W Pass Through Charging Quick-Charge with 100W USB-C Power DeliveryCharge while you work or play, with USB-C pass-through charging. Triple (HDMI x 1, VGA x 1) 4K 30Hz Video - High refresh rate Experience high-resolution 4K video on HDMI/VGA displays with the high refresh rate for faster, smoother video. *MacOS supports SST (Single Stream Transport) so it will show one extended display with the same image on all external displays at 4K30Hz. Windows/Chrome OS supports MST (Multi-Stream Transport) and will support 3 extended displays. 1 display at 4K30Hz. 2 displays at 4K30Hz + 1080p. Convenient Expansion Ports Additional three USB-A 3.0 with High Speed Transfer. Essential Ports for Photography High-speed data transfer from UHS-II MicroSD and SD 4.0 memory cards 3X faster. Heat dissipation for peak performance The metallic exterior and ridged design keeps our professional-grade dock cool, even when it’s working hard. Precision Engineered Precision milled aluminum enclosure, available in Black.