The 3.5 mm Audio + Charge Rock Star makes it possible to listen to audio through a 3.5 mm headphone jack, while charging your iPhone XS, XS Max, XR, X, 8/8Plus or 7/7 Plus. Connect your 3.5 mm headphones, speakers, or aux cable to enjoy music or talk hands free, while you charge. Use the 3.5mm Rock Star at home, at work, in the car, or on the go.