1.8" Color Screen & Flexible Gooseneck & Orange ButtonTFT screen is large and clear enough for you to easily read voltage, volume, song name(Under TF/U-disk Modes), FM frequency, volume, etc.at daytime and night. The Bluetooth FM Transmitter gives you the versatility to change the angle of the screen with a sturdy, 360-degree gooseneck that will hold tight in the orientation you set. 4 Music Play ModesEnjoy music in your car radio stereo via 4 methods: Receive & play music from Bluetooth-enabled devices; Stream music from TF card(64GB); Transmit music from USB flash drive(64GB); Stream music from Aux(3.5mm Jack) cable.The sound quality is phenomenal when playing music.It also supports EQ modes and music folders(Under TF/U-disk Modes). Hands-Free Calling & Power OffAdvanced CVC noise cancellation technology and built-in microphone grants you crystal clear wireless calls. One-click the button to answer/redial/hang up or reject calls. Keeping you connected when driving, making your driving more interesting and safer.The FM transmitter saves your car battery : Just long press the buttons to power off and no need plug or unplug it from your car socket every time. 3 USB Ports & QC3.0 ChargerInput 12-24 V; Output 3 USB ports: 1 USB charging port supports 5V/2.4 A output which can intelligently identify android or other devices. 1 USB QC3.0-enabled devices, up to 4X faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes. 1 USB port for U-disk reading only.The FM transmitter can charge 2 devices simultaneously and listen music /handsfree call. Wide CompatibilityThe Bluetooth car adapter allows compatibility with most Bluetooth enabled devices, such as iPhone, iPad, LG, Samsung, Tablet, HTC, Sony and other Android Smartphones; Also it will fit most of cars or trucks(voltages among 12-24V).