Charge 20 Devices Simultaneously: This multiple USB charger station supports up to 20 devices at once. Compatible with iPhone, Samsung Galaxy, tablets, Headphones, and more. Each port delivers up to 2.4A for efficient charging. Powerful Charging: With a total output of 100W/20A, this multi USB charging station ensures fast charging. Perfect for international travel with 100-240V wide voltage support and up to 2.4A per port.