3.7V-5V TF Card MP3 Decoder Board
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Features:
- Support MP3 play format
- Can play T / SD card, U disk, FM, and external audio source (LineIn), insert the card before play, can also be switched by the Mode button
- Automatically detect whether the headset is inserted, the IO port (Mute) can directly switch external amplifier, no need plug-in transistor
- Use one AD-key port to achieve a variety of key combinations
- There are two sets of AD-key keyboards for you to choose
- Support 3 FM radio chip: RDA5807, BK1080 and RTC6207E
- Supports USB audio mode
- Does not support infrared remote control, USB device mode
