Bluetooth Car FM Transmitter MP3 Player Headset USB Charger Description - Bluetooth version 4.0, support for Bluetooth hands-free calls, Bluetooth music streaming, caller ID; - Support TF card (Micro SD card) / USB Flash player (reader function), support MP3 / WMA music format; - DC5V / 2.1A dual-charging USB port for all cell phones, tablets and other electronic charging products -1.3 inch dot-matrix LED display, frequency dot display, file name and status information - Supports UMA menu language setting, playback mode and sound mode; - Memory supports power failure and folder playback; -AUX in/out function; - AUX input and output function; car battery voltage indication; -FM frequency range: 87.
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