Check the listing for details. Bluetooth Car FM Transmitter MP3 Player Hands free Radio Adapter Kit USB Charger. Color: Black, Condition: New. Listed at 17.95 USD. Bluetooth Car FM Transmitter MP3 Player Hands free Radio Adapter Kit USB Charger Description Description: - Bluetooth version 4.0, support for Bluetooth call hands-free, Bluetooth music transmission, caller ID; - Support TF card (Micro SD card) / USB Flash player (reader function), support MP3 / WMA music format; - Dual-charge USB port DC5V / 2.1A expandable portable device features for all mobile phones, tablets and other electronic charging products; -1.3 inch dot matrix LED display, frequency point display, file name and status information work; - Support UMA menu setting language setting, play mode and sound mode; - Memory support power failure and folder playback; -AUX input and output function; - car battery voltage indication; -FM frequency range: 87.5 MHz to 108 MHz -Automatic power-off memory function - Supported languages: Chinese, English, French, Spanish, German, Portuguese, Italian, Dutch, Swedish, Russian Specification: -FM Transmitter Mode: Stereo Digital PLL Lock - Rated operating voltage: 12 V-24 V. - LED screen size: 1.3 inches -USB output: 5V / 2.1A 5V / 1.0A - Working temperature: 0-40 degrees Celsius - Support game format: MP3 / WMA -TF / USB flash storage: 60db - Distortion: 60db -BT version: version 4.0 + EDR -Bluetooth transmission distance: 10M -Bluetooth effective range: 0.5-2 M - Bluetooth sound processing: A2DP (Advanced Audio Distribution Profile) - FM transmission frequency: 87.5-108 Mhz - Product size: 13 * 10 * 3.5 cm - Net weight: 68.5G Package Included: -1 Bluetooth Car MP3 Player -1 user manual -1 fuse -1 AUX audio cable Operation guide: - Plug the FM transmitter into the car cigarette lighter socket to supply power. Please find this device. - Find an empty station and keep the FM transmitter and the car FM radio at the same frequency.