Pyle PBT50 Bluetooth Hands Free FM Radio Transmitter with Micro SD Readers for MP3 Playing, USB Charging Port and AUX Input Built-in Bluetooth Technology - AUX Input (3.5mm Jack) for Connecting Additional Devices - Additional USB Port For Charging Your Devices (Output: DC 5V/2.1A) Built-in Microphone for Hands-Free Phone Calls - Full Frequency FM Transmitter: 87.5-108MHZ - Supports 12-24V Via Car Cigarette Lighter Wirelessly Stream Audio or Internet Radio from Your Smartphone - Hands-Free Mode Automatically Switches To Incoming Calls When Playing Music - LCD Display and Button Controls USB Flash and Micro SD Card Readers - Supports 4 Loop Modes: Repeat All, Random, Repeat One, Folder - Flexible and Adjustable Gooseneck Arm Quickly Plug-in and Play Your MP3 Files - Selectable EQ Settings: Natural, Rock, Pop, Classic, Jazz - Includes Remote Control and 3.5mm Cable