Unlike standard cheap decoder chips that read all storage files in a flat linear list, the JX-810BT natively processes segmented directory folders. While a USB drive or TF card is actively playing, double-pressing the "Previous" or "Next" keys skips entire folders instantly. The integrated LED matrix displays folder directories using sequential indices ( F001 , F002 ), streamlining storage navigation. Hands-Free Calling and Audio Recording
: Operates on DC 5V–12V with a current requirement of 500mA to 2A. jx-810bt