This dual-port car charger for Samsung Galaxy Tab A & S Pen SM-P550 by ReadyPlug provides fluid-quality charging. Whether you need a 1A charge or a 2A charge this car charger adapter has it all. Color: Black. Glows blue. Provides power and charging. Works with USB 1.0, 1.1, and 2.0. For cell phones, smartphone, tablet, MP3 players, bluetooth speaker systems, and more.