KD-K1Hub, wired keyboard input typing via USB type c, which works with MacBook 12inch 2015, MacBook Air with USB type c, MacBook Pro 13’, 15’ and 16’, plus iPad Pro 2018 11’ and 12.9’, Mac mini 2018 and 2019, Mac Pro 2019 , as well as other USB type c port enabled laptops and computers. USB type c charging up to 100w, which covers all most USB type c tablets, laptops and computers, you can use 18w to 108w USB C PD power adapters. 4K HDMI, which supports up to 4K 30Hz display, and backward compatible with 2K, 1080p and 30Hz. 3 ports USB 3.0 up to to 5GB data transfer, 1 port USB 2.0, and hard disk compatibility up to 8TB ( require PD charging at the same time). SD and TF slots supports up to 1TB storage ( require PD charging at the same time) Premium aluminum built from both upper housing and the base. Scissor keys enhance comfortable typing without delay. 2 zone range covers most useful key functions and supportive, such as some shortcuts : screenshoot, copy, cut, paste, home. Backlight: built with responsive white backlight which is perfect partner for typing at dark spaces, backlight dimmer is available in shortcut control from keyboard. 2 pcs of ergonomic padding to match different height you need, 0.5cm height, gain better angle typing when you need 1-year manufacturer Warranty.