SCOSCHE FreqOut Pro Universal Digital FM Transmitter with Built-in USB Charging Port and Integrated Music Control Buttons - Works with Cell Phones, MP3 Players, iPods and More - Black (FMTD9) FREQTM TECHNOLOGY - Innovative design finds the optimal frequency in your area for better hands-free operation 12VPOWERED - Transmitter plugs directly into 12V charging port for unlimited transmitting and provides a 2.1A charging port for your phone or device CONTROL YOUR DEVICE- With the multifunction button and controls you can; skip, pause, play, fast forward and rewind without having to access your phone USE ANY AUX DEVICE - Included Aux port allows any standard 3.5mm Aux output device to play through your car stereo FLEXIBLE NECK- Adjustable neck provides the optimal viewing angle from any seat BUY WITH CONFIDENCE: Backed by Scosches Lifetime Tech Support and 3 Year Warranty