Amzdeal Car Kit Mp3 Player Universal Wireless Fm Transmitter Radio Adapter Car Mp3 Player with 3.5mm Audio Plug and USB Car Charger, Black Powered by a standard 12/24 V vehicle DC outlet; transmits audio wirelessly to the car stereo system via FM radio signals Can stream music via a 3.5mm audio cable from an MP3 player, iPhone, Android smartphone, iPad tablet or any other device Features memory for your last set frequency, and is also able to play music files in the MP3 or WMA format on an SD card or USB flash drive with a capacity of up to 32 GB USB port on the plug supplies a current of up to 1.0A to charge your MP3 player, Smartphone, tablet or other electronic devices Accessories: Common Remote Control, 3.5mm Audio Cable, Steering Wheel Remote, Control (optional) ,User Manual