Specifications: *Material ABS *Display LED dot matrix screen *Bluetooth version V5.0 *Bluetooth band 2.4 GHz-2.48 GHz *Bluetooth Transmission distance 5m *FM frequency 87.5-108 mhz *FM transfer distance 2meters *Input voltage 12-24V *Output 5V/3.1A Item Details: * 100% Brand New and High Quality！ * 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. * 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. Package Includes： 1 x Car Bluetooth FM Transmitter only or 1 x Car Bluetooth FM Transmitter+1 x Cable or 1 x Cable only 🚩Buyer's Note: Please allow 1-3mm（0.039in) differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. If you have any questions , please feel free to contact us. Your comment is very important to us, please don't give us a negative feedback, we'll solve all your problems, thank you for your support. You could contact me directly if you need wholesale, we will give you the best price. Thank you for your purchase!