new usb bullet clip source and three usb bullet clip adapter plugs

reliable pumps new 1 usb charging source and 3 usb automatic charging converters: 100% new new 3-rail universal cigarette lighter socket + 1 usb port, color: black. the lighter on the car uses multiple accessories at the same time, with two usb ports (output current 500ma; output voltage 5v; output power 2.5w)....