PUPUG Black car mp3 player FM Transmitter with Microphone Hands free Car Kit MP3 Player with USB for iPhone, iPad, Samsung Galaxy +Free Remote Bluetooth hands-free calling, built-in microphone, safe and convenient to answer the callNoise processing Support USB / TF card MP3 format music player Support phone A2DP, direct play high-quality music and mobile phone even after the voice navigation Bluetooth This product is a vehicle for Bluetooth Car MP3 player with built-in Microphone. Give a variety of smart phone charging,Transmit the audio wireless to the radio