As a must-have for travelers or people on the go, this is a versatile electronics curio used to solve a variety of power supply problems, converting the alternate current (AC) from wall sockets into stable direct (DC) 5 volts. Featuring advanced circuitry, this tiny adapter keeps your voltage stable no matter how much your input swings around. It protects your beloved electronic devices by blocking off those big jinking changes in input power, so your gadgets are never on the brink of damage. Its main functions include powering an immense array of small electronic gadgets such as smart phones, tablets, and portable speakers. Its technological features include its safety and reliability. These include over-voltag, over-current, and short-circuit protection. It is designed with a standard USB output, and this makes it compatible with a never-ending variety of devices. The AC DC adapter 5V: whether you are at home or traveling, this is a must-have item.