New model recommend for you, click picture to buy directly Product Features High Performance Bluetooth FM Transmitter: Solid Bluetooth and FM connections stream music straight from your phone to your cars 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 power on. Voltage Display: Voltage display feature ensures security reminder 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 microphone with Echo Cancellation and Noise Suppression (CVC) technology can effectively create full duplex sound quality. Easily answering/redialing/dismissing or ending a call just simply click a button. Dual USB Ports: Comes with 5V-2.1A and 5V-1A two charging ports, you can get your devices full charged in short time, support charging two devices simultaneously. Help you enjoy in-car stereo streaming and charge Your smart device at the same time. 3 Music Playing: Support Bluetooth Music/ USB Disk/ TF Card / MP3 music player. Connect your Smart phones or other Bluetooth enabled devices via Bluetooth to streaming your music, or you can insert a USB flash drive or a TF card (max capacity 32GB) to enjoy your music. Stream music and calls directly from your Mobile devices to car stereo system via FM radio signal (87.5-108.0 MHz). Safety: Ensure driving safe without disturbance. Compatibility: Fit for most of the smartphones, tablet and more devices that equipped with Bluetooth function, such as, iPhone, iPad, iPod, Tablet, Samsung, and other Android Smartphones. Product 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/2.1A Package Includes: 1xCar Bluetooth FM Transmitter Rated operating voltage: DC12V-24V Working Voltage limits: 9-26V USB Output: 5V/2.1A Working Temp: 0-50 Support Play format: MP3 BT Version: Version 3.0+EDR Bluetooth sound processing: A2DP(Advance Audio Distribution Profile) Bluetooth transmission distance: 10M Bluetooth microphone effective range: 0.5-2M FM transmission frequency: 87.5-108Mhz Product includes 1 x Bluetooth Car MP3 Player(No Retail Box) 1 x User Manual Hello, guys, thank you for visiting my store.