1. Microphone Input
2. AUX Input (Line In)
3. USB Input
4. TF (microSD) Input
5. DC IN (DC 5V, 1A Charging Port)
6. Power On/Off Switch
7. Mode Button (USB/TF/FM/BT/AUX)
8. Play / Pause / Hands Free Phone Call
9. Display
10. Next / Volume +
11. Previous / Volume –
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