Features: -High-Performance Bluetooth FM Transmitter: Solid Bluetooth and FM connections stream music straight from your phone to your car's sound system. -Easy Pair: Easily pair your smartphone in seconds and stream music straight from your phone to your car's sound system. This will automatically connect to its memorized paired Bluetooth device when powered on. -Voltage Display: The voltage display feature ensures security reminders at a glance. -Hands-Free Calls: Bluetooth 5.0 technology provides a stable connection and echo-cancellation reduces background noise for clearer calls. Built-in microphones with Echo Cancellation and Noise Suppression (CVC) technology can effectively create full duplex sound quality. Easily answering/redialing/dismissing or ending a call just by simply clicking a button. -Dual USB Ports: Comes with 5V-2.1A and 5V-1A two 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. -Music Playing: Support Bluetooth Music/ USB Disk MP3 music player. Connect your Smartphones or other Bluetooth-enabled devices via Bluetooth to stream your music, or you can insert a USB flash drive (max capacity 32GB) to enjoy your music. Stream music and calls directly from your Mobile devices to a car stereo -system via an FM radio signal (87.5-108.0 MHz). Safety: Ensure driving safely without disturbance. -Compatibility: Fit for most smartphones, tablets, and other devices that are equipped with Bluetooth functions, such as iPhone, iPad, iPod, Tablet, Samsung, and other Android Smartphones. Specification: Material: ABS Bluetooth version: 5.0 Bluetooth band: 2.4 GHz-2.48 GHz Bluetooth Transmission distance: 5m FM frequency: 87.5-108 MHz FM transfer distance: 2 meters Input voltage: 12-24V Output: 5V/3.1A Item Size: 50*45*80mm Model Name: Stereo Bluetooth 5.0 FM Transmiter Double USB Phone charger Special Features: Handsfree Car Kit Wireless FM Transmitter Modulator Voltage: 12V Item Type: FM Transmitters Material: ABS Origin: Mainland China Certification: CE Support: Voltage display Support 1: USB Flash Playing Support 3: Wireless FM Transmitter Support 4: Handsfree Calling Support 5: 3.1A+1A Dual USB Phone Charger Package includes: 1x Car Bluetooth FM Transmitter