i-Smart Design - International USB charger with US UK EU Interchangeable adaptors, easy to fit into an All-in-One Gadget. Meanwhile, Syncwire 4-port international USB charger covers the voltage 110v-220v, just fit all countries in the world.</br>Full-Speed Charging - 4 Ports (2×2.4A + 2×1A) could max up to a 34W/6.8A output, full-speed charging up to four devices at the same time and automatically adapting the output for each one accordingly.</br>Advanced Certification - Approved for UL-FCC-CE certification, compatible with: iPhone 7/7 Plus, 6/6S, 6/6S Plus, 5/5S, iPad Air/Mini; Samsung Galaxy S7, S6, S5, Note, Tab; HTC; Nexus; Bluetooth Speaker Headset; Powerbank and USB Powered Devices.</br>Lifetime Reliability - The sturdy Polycarbonate shell, the built-in "smart IC" & the thermal material design keep the USB plug going against overheat and over-load on the unit and over-charge onto the devices.</br>100% LIFETIME GUARANTEE & 24/7 Support.</br></br>Product Description</br></br><b>Syncwire - Leads to a Smarter Life.</b> <br> <br> • i-Smart Design <br> • Full-Speed Charging <br> • Portable Size <br> • Advanced Certification <br> • Lifetime Warranty <br> <br> <b>Syncwire 4-Port International USB Wall Charger: designed to be smart.</b> <br>Syncwire USB charger with smart IC technology will adjust the current output to match the specific needs of the devices plugged in, providing for each one the best full speed charge sustainable without risking to damage your expensive gadgets: smart and ultra fast, different from any other charger you have ever owned before. <br> <br> <b>Great solution if you need to charge more than 2 devices at the same time.</b> <br>Most of the USB plugs out there offer up to 2 USB ports with regular charge. Syncwire 4 port usb charger supports 4 USB ports with ultra-fast charging for connected devices. This is a real socket saver or space saver. <br> <br> <b>Suitable for international travelling.</b> <br>With 3 removable US / UK / EU travel adapters to easily fit into an All-in-One travel plug, it is the best USB travel charger for business trips or travelling as it also covers the voltage 110v-220v. <br> <br> <b>Using non-certified chargers could damage your device and represents a hazard.</b> <br>The 2mm-thick shell and the internal 125℃ thermal limit keep the outer temperature below 60℃ at full-load work, in compliance with the international standard of 70℃. In case of faulty cables or devices plugged into the unit there are not going to be aftermaths to the charger thanks to the auto-recovery feature cutting off the current and preventing damages. Additionally, with its long mechanical working life (no loss of performance after over 5000 charging cycles) the Syncwire usb wall plug will be the long lasting charger you have been after! <br> <br> <b>Get one to enjoy Lifetime Warranty!</b> <br>Unlike most plug adapters at amazon.com, Syncwire offers lifetime warranty for customers, just guarantee your valued investment.</br>