Enegg Universal 3.5mm In-Car MP3 Player FM Radio Audio Transmitter Music Adapter for iPhone iPad iPod, Samsung Motorola LG Sony Google Pixel Nexus Nokia Android Cell Phones/ Tablet Newest version with stylish elegant design, portable size with LED Display; Extra longer play: rechargeable battery; Optimized stability: more stable signals, better anti-interference performance for better sound quality; Wirelessly transmit your favorite music from your phones'3.5mm audio jack to your car FM stereo system, through FM radio; Drive safely and legally, supports hands-free phone conversation through the car stereo.