【3 Music Play Modes】A. Play music from Bluetooth-enabled devices via FM signal; B. Stream music from TF card (up to 32GB), supporting music files like MP3, WMA; C. Transmit music from USB flash disk (up to 32GB).
【Safe for Hands-free Call】 Built-in microphone frees your hand for calling. Easy to answer/hang up/reject a call/redial the last number/adjust volume via the multifunction button. Moreover, compact design makes it space-saving and prevents from blocking gear stick for safe driving.
【Car Battery Voltage Display】 The FM transmitter will display car voltage when plugged into the car cigarette lighter. Enable you to know your car battery state easily. Then it will enter automatic play modes.