Retractable Type-C Cable: The wall charger features a built-in retractable Type-C charging cable that extends to a length of 31.5 inches and adjusts in 10 levels to meet different length requirements. Its built-in retractable mechanism allows the cable to retract freely in one second, ensuring a tidy space at home, in the office, or while traveling. Note: After pulling out the cable, gently stretch it another 1 cm to retract it. 40w Fast Charging for 2 Devices: The retractable phone charger is capable of supporting up to 40W of fast charging and can charge an iPhone from 0% to 50% in just 25 minutes. It features an additional USB-C port, allowing users to simultaneously charge their MacBook and iPhone. When two devices are connected, the charger efficiently distributes power to ensure optimal charging and minimize waiting time.