This Plantronics AC adapter is a versatile and reliable power source with an output voltage of 9.0V and 500mA. It is designed to work with various consumer electronics and can be used as a multipurpose AC to DC adapter. The SSA-5W 090050 model is highly compatible and efficient, ensuring that your device stays powered up and ready to use. Whether you need to charge your phone or power up your portable speaker, this adapter will get the job done. Its compact size and durable design make it a great choice for travel or everyday use. Don't let a dead battery ruin your day - invest in the Plantronics AC adapter and stay connected wherever you go.