BESTEK Power Step Down 220V to 110V Voltage Converter 4-Port USB Charging EU/UK/AU/US Universal Plug Travel Adapter, Thinner Design QC3.0 Worldwide Use: America's leading power converter brand. Powerful Dominator& pioneer in Power Converters'R&D and innovation. Enjoy a reputation of Best Seller in this industry for decades. 1 EU power cable and 3 international adapters ( US/UK/AU), convert all countries' voltage to US voltage (110V). Charges 7 Devices Simultaneously: 3 standard US plugs and 4 smart USB ports(three 5V / 2.4A ports and 1 QC3.0 port) capable of simultaneously charging multiple devices for most electronic devices rated less than 200W. support outlets in United Kingdom, Continental Europe, Australia, Japan, China etc, more than 150 countries all over the world. Qualcomm Quick Charge 3.0: 1 QC3.0 USB port Charges compatible devices up to 4 times faster than conventional charging. Also works with Quick Charge 2.0 and adaptively charges all standard USB-powered devices (including Android and Apple) at up to 2.4A. Safety & Silent Design: American NRTL safety tested and upgraded hardware ensure complete protection for you and your devices. Best selling power converter now with upgraded cooling system and whisper-quite fan for undisturbed sleep at night. we supply this adapter 24 months warranty. Travel Size Design and Warranty: Compact small size (6.3x3.1x1.2 inches) with 5 foot detachable power cable makes this power converter easy to pack and take anywhere you go. Comes with a 30-day money-back guarantee, a 24-Month warranty and lifetime of friendly customer service!