The selected item is the Earldom M109 4-in-1 Car MP3 Player & Charger. Key Features * Design: Features a compact black body with a colorful control panel and built-in RGB lights. * Charging: Delivers 3.1A fast charging through multiple USB and Type-C ports. * Audio: Works as an FM transmitter to play phone music through your car radio and supports U-disks. * Calling: Includes a built-in microphone for safe, hands-free phone calls while driving.