If the charger head that came with your smartphone is lost or damaged and cannot be reused, you can replace it with a charger head from UGreen. At a very affordable price, you can use this charger head for your smartphone charging needs. With a power output of 5V/2.1 A, this charger head is suitable for various types of cellphones on the market. What are the benefits? Mini & Elegant Design Stable Charging Suitable for Traveling Original 1 Year Official Guarantee Regarding safety, this charger head is definitely reliable. There is protection that can protect your device during the charging process, starting from over current protection, over charge, over temperature, over voltage, over power, to electrical short circuit protection. In fact, the material is designed to be fireproof so it will be very safe to use. What are the features? EU Plug Output 2.1A USB Output Port for All Devices Safe & Fast Device Charging In Package: UGreen Wall Charger 2.1A User Manual Specifications: - Input: 100-240V ~ 50/60Hz 0.4A Max - USB-A Output: 5V/2.1A 10.5W Max