4K/HD Video Projection + Fast Charging Plug and play, it can project the screen for most laptops and 4K/HD output game devices such as for Macbook or Nintendo Switch, bringing comfortable visual enjoyment of the larger screen. It can fast charge these devices while the video is outputting. Fast USB C Charger, USB Data Transfer Port, 4K/HD Output Port 3 in 1 ACEFAST fast charger hub integrates up to 60W PD3.0 fast charging, USB 3.0 data transmission, and 60Hz 4K high-definition video data transmission into a compact body, three in one, plug and play. letting you explore a new way to play with Steam Deck.