CheckSums v2.1 Car Bluetooth Device with FM Transmitter, Audio Receiver, MP3 Player, 3.5mm Connector(Black)

Jupiter Jack is an easy to use device that turns your car radio into a hands free speaker phone! It's easy to use. Simply plug Jupiter Jack into your cell phone's headset jack and tune your car radio to 99.3 FM and start talking hands free!It's that simple! Jupiter Jack features a built in microphone that transmits your voice clearly while you hear your caller's voice clearly through your car's speakers.Using a cell phone without a hands free device may not be safe and is illegal in many states. Now you'll enjoy clear robust sound that only your car speaker can provide, allowing you to conveniently talk and drive at the same time.Jupiter Jack works with any cell phone with a headphone jack. Six adapters are included. For those rare cases where the included adapters do not fit your cell phone,