--Simple and compact, small size, saving space in the car.
--Single key design, up and down track, volume adjustment, incoming call answering, one key control, easy to operate.
--3.1 fast charging, support dual USB charging at the same time, single port up to 3.1A.
--intelligent digital display design, real-time monitoring of battery voltage, safer driving.
--Support playback from flash disk, compatible with flash disk audio playback, plug and play, enjoy music to the fullest.
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