• Durable Material and Long Lasting - Inner chip mechanism uses premium quality material and outer case is made of high quality durable aluminum alloy and plastic. • Multi protection system - Engineered with mutli-protective circuit design, reassuring a safe charginf experience. • Worldwide compatible - Supports 100-240V. covers the known voltages of 90% civilzed places in the world. • Universal compabilty - Supports all type of phones regardless Apple or Android. • Certified Qualcomm Fast Charging Protocols - Reduce charging time to half.