USecore USB-C Hub with 4K Output HDMI Port, 3 USB-C Port and Power Delivery, 2 USB 3.0 Port, 1 Presenter with Laser Point for New MacBook and ChromeBook Pixel 3 USB-C port with different function: Power supply; Data transmission; Charging for laptop. Expand the capabilities of your Macbook 1 USB-C 3.1 data port transfer up to 10Gbps, 2 USB 3.0 port transfer data up to 5Gbps, 1 HDMI output mirrors your laptop's display (Supports 4K) on any HDMI-enabled device Presenter with Laser Point can be used in PPT/Keynote presentation. Easy and convenient to meet different occasion with this magnetic detachable hub 2 USB 3.0 Port to charge your iPhone/Sumsung Galaxy/iPad or connect 2.4GHz Devices such as keyboard, mouse, thumb drive, SD card reader Designed for MacBook and Chromebook Pixel users, no driver installation needed. Simply plug and play. US ecore Hub has 12 MONTHS WARRANTY GUARANTEED