Bluetooth FM Transmitter Wireless Car Kit Handsfree Dual USB Car Charger 2.1A MP3 Music TF Card U Disk AUX Player Product Features: High-Performance Bluetooth FM Transmitter: Solid Bluetooth and FM connections stream music straight from your phone to your car's sound system. Simple Pairing: Easily pair your smartphone in seconds and stream music directly from your phone to the car's audio system. It will automatically connect to the memorized paired Bluetooth device when powered on. Voltage Display: The voltage display function ensures a safety reminder at a glance. Hands-Free Calling: Bluetooth 5.0 technology provides a stable connection, and echo cancellation reduces background noise for clearer calls. Built-in microphone with Echo Cancellation and Noise Suppression (CVC) technology can effectively create full duplex sound quality. Answer/redial/dismiss or end a call simply by clicking a button. Dual USB Ports: Comes with 5V-2.1A and 5V-1A dual charging ports, you can get your devices fully charged in a short time, supporting charging two devices simultaneously. Help you enjoy in-car stereo streaming and charge your smart device at the same time. 3 Music Playback: Support Bluetooth music/ USB disk/TF card/MP3 music player. Connect your smartphones or other Bluetooth devices via Bluetooth to stream your music, or you can insert a USB flash drive or TF card (max capacity 32GB) to enjoy your music. Stream music and calls directly from your mobile devices to the car stereo system via FM radio signal (87.5-108.0 MHz). Safety: Ensure safe driving without interference. Compatibility: Fits most smartphones, tablets, and more devices equipped with Bluetooth function, such as iPhone, iPad, iPod, Tablet, Samsung, and other Android smartphones. Package Included: 1x lint remover