2-Pack USB Fast ChargerThis 40W USB fast charging adapter supports a maximum power output of 20W. USB charging block offers fast and efficient charging up to 3X faster than a 5W charger cube. Charge your Phone devices from 0% to 50% in just 30 minutes 4 in 1 Charger Block The fast charger plug with 4-Ports (Two ports USB C +Two ports USB A) can fast charge 4 devices simultaneously. Support USB C to USB C cord, USB C to Lightning cord, USB A to USB C cord, USB A to Lightning cord, USBA to Micro USB etc. Widely used in office, home, and travel.