Flyron Technology Co., Ltd. FN-A501 Programmable MP3 Player Siren / Alarm Speaker 1. Features Built-in a high quality MP3 player with great sound quality. Incorporated with a 4MB flash memory and a micro SD slot on board. Upload MP3 files to the flash memory easily through the micro USB port on computer.
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Flyron Technology Co., Ltd. FN-A501 Programmable MP3 Player Siren / Alarm Speaker holding, when the playback of the audio file is finished, it will start to play it repeatedly(loop playback). Pulse non-interruptible one-on-one playback: In this mode, a single negative pulse will start playback.
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Flyron Technology Co., Ltd. FN-A501 Programmable MP3 Player Siren / Alarm Speaker Also remove the screw at the middle of the board, and get the board to front side. 2). See the illustration below on the MP3 player board. Volume control...
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Flyron Technology Co., Ltd. FN-A501 Programmable MP3 Player Siren / Alarm Speaker 3). Now choose a storage device between the on-board flash memory and micro SD card to load your MP3 audio files. If the total capacity of your 4 MP3 audio files is less than 4MB, you can choose to use the flash memory directly, and if it is larger than 4MB, then choose to use a micro SD card instead.