product description:
1. Built-in Bluetooth function, with call function;
2. Supports WAV lossless and MP3 formats, and can read MP3 songs in U disk SD and MMC cards;
3. With a digital LED display, which can display the current working status;
4. FM radio function;
5. Widely used in car modification, home audio and square dance speaker modification accessories
Wiring diagram:
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