1.【QC3.0 FAST CHARGING】 : Dual USB ports, simultaneous dual charge: quick charge 3.0 port, up to 4X faster than standard chargers, charge efficiency is more than 80 percent, save time, reduce power dissipation and another smart 2.4A charge port. 2.【7-COLORS LED BACKLIT】: Bluetooth car FM transmitter, with 7 colors led backlit light, design for music, with clear screen, no blind spot, driving safer. 3.【CRYSTAL CLEAR MUSIC STREAMING 】: Bluetooth 5.0 transmission is not distorted, full duplex sound quality, with the purity and clarity of the special sound of DSP technology, allows you enjoy crystal clear podcasts and 3 stereo music player modes: A.bluetooth B.TF card C.USB flash drive. Note: support MP3/WMA/WAV/FLAC/APE format music. 4.【CLEAR HANDS-FREE CALLS and SIRI & GOOGLE ASSISTANT】: Bluetooth 5.0 provides a stable signal connection, built-in microphones and noise suppression (CVC) technology for clearer Hands-Free Calls, perfectly to switch songs, pickup calls, seamlessly connection, supports voice commands to ensure safe driving, enjoy complete voice-control. 5.【BROAD COMPATIBILITY】: The bluetooth fm transmitter is support all bluetooth enabled devices, such as iPhone, iPad, Tablet, HTC, Samsung, Sony and other, easy to setup and use.