Connect your cell phone or MP3 player and play your favorite music out loud with the Griffin HandsFree 3.5mm AUX Cable w/ Mic. Simply insert one end of the cable into the 3.5mm audio jack of your device and the other end into your 3.5mm speakers or your vehicle's speaker system to get the music started. The built-in DriveSafe mic is the hands-free solution that lets you talk on the phone safely and legally.