Handsfree Aux Modulator, MP3 Audio Player, FM Transmitter, Dual USB 3.0 A Car Charger with Handsfree Aux Modulator for Smart Phone Charging Stereo, APP control, fast charging, built-in speaker, car charger, playback, FM transmitter, remote control, hands-free, amplifier, and colorful lights Inbuilt microphone, voice assistant, screen, power-off memory, and high-resolution audio