The 70W GaN USB-C 4-Port Charger can charge 4 devices simultaneously. This charger utilizes GaN technology, allowing it to deliver a significant amount of power in a compact design. All USB-C ports support Power Delivery 3.0/2.0 technology, while the USB-A port supports QC 18W fast charging. When using only one port, the first port supports up to 70W, enabling fast charging for MacBooks, laptops, tablets, handheld gaming consoles, and other mobile devices. The second and third ports support up to 20W, which is sufficient for charging a second tablet or phone. The product maintains 45W on the first port while other ports are in use, allowing you to charge your laptop and other devices seamlessly at the same time. With its small and lightweight design, the charger can be mounted more securely to the wall, reducing the likelihood of it falling off. Additionally, over-voltage, over-charge, over-current, and over-temperature protection are all included.