The Samsung TAD137JSE Adapter is a wall charger designed specifically for the SCH-A850 phone. It supplies 5 volts and 0.7 amps of power, ensuring your phone is charged efficiently and effectively. Made by Samsung, a trusted brand in electronics, this charger is reliable and compatible with your phone. Originating from China, this adapter is a high-quality accessory that will keep your phone powered up and ready to use.