The Dell WD19S Dock with 90W Power Delivery can support up to two 4K displays at 60Hz or three QHD displays at 60Hz Docking station features two DisplayPort 1.4 ports, one HDMI 2.0 port, one USB-C 3.2 Gen 2/DisplayPort, one USB-C 3.2 Gen 2, three USB 3.2 Gen 1 Type-A ports (one with PowerShare), and a Gigabit Ethernet port Additional Features: 90W Power Delivery for quick charging and mounting provision for saving space. Enjoy advanced security with MAC and remote port disablement enhancing manageability and security Boost Speaker: Synchronizes your digital life with a remote shutter and microphone to seamlessly accommodate your gadgets, you can easily use its built-in remote shutter to capture wireless selfie shots and utilize its microphone for hands-free calling Easy Pairing: The U Speakers Boost supports Bluetooth & instantly pairs with most Bluetooth enabled devices.Easy to use with effortless pairing for surround sound anywhere