Car Bluetooth MP3 Player FM Transmitter Hands-free Call, Dual USB Charging, Micro SD/TF for iPhone 8 7 Plus 6,Samsung car battery, volume, FM frequency and song name if you play music by TF card or USB flash disk.Four ModesA: Play music from Bluetooth devices via FM signal; B: Play music from TF card, supporting music files such as MP3, WMA, WAV; C: Transmit music from USB flash disk; D: Stream music from your MP3 player, and old speaker, tablet, etc to car stereo system via 3.5mm audio cable.Dual USB ChargersWith 2 USB charger ports. 5V /2.1A USB charging port provides fast charging speed, which can read U disk as well .crystal.Flexibility and ConvenienceThe flexible neck can be adjusted to the perfect viewing angle for convenient use. The memory function allows you to automatically connect to the last paired phone. You need an in-car FM transmitter to stream music from your phone, tablet, MP3, MP4, TF card, even USB flash disk to the car stereo system.Enjoy music on the go! Super Clear Large Screen The 1.44 inch large screen will display the incoming call number, voltage level in the car battery, volume, FM frequency and song name if you play the music from the car. TF card or USB flash disk. Charge Your Devices Easily With a 5V/2.1A USB charging port, you can charge your phone or other devices at fast speed.Remark:Please do not play music from two sources simultaneously, or there will be two voices. If you want to change the mode to play music, pause the music from the first source, and then play the music from the other source.Specifications:Bluetooth Version: V3.0+EDRWorking Current: 45mA(Max)Effective Range: 5 metersFrequency: 87.5MHz - 108.0MHzPackage:1 * FM Transmitter1 * 3.5mm Audio Cable1 * User ManualBluetooth FM Transmitter Hands-free Wireless Car Kit Radio Adapter with 1.44 Inch Display Screen and USB Car Charger for iPhone 7 7 Plus SE, Galaxy S7 S6, HUAWEI P9 P8, Sony Xperia, HTC, etc - Gray Package: 1* Transmitter