Waytronic Motion Sensor Voice Player, PIR Infrared Activated MP3 Sound Speaker with USB Upload Custom Audio, Motion Activated Alarm & Greeting Device for Home, Store Entry

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Excelente producto. Se le pueden meter sonidos en MP3 y en evento de halloween da muchísimo juego al tener una muy buena detección de movimiento incluso con humo en el espacio, además de ponerse en sitios poco visibles.

I was looking for a a motion activated speaker to add a soundboard that I made for trick or treaters as they approach our door, and this seems to be perfect! After having read previous reviews you do need to be mindful of how large of an MP3 file you add to the device, as well as what it's named (ie. 1.mp3) Once the file was added the device did not initially play it, however I took the advice of another reviewer and turned the device off once or twice and held the buttons down thereafter a couple times, and VOILA! it worked :) Take note, the speaker is extremely loud with no adjustment to lower, so be mindful, you may want to lower the file volume to compensate before adding. This may sound like a a lot for someone who's not as tech savvy, however in total it took only about 15 min or so. Once I did this it worked like charm! I've tested it several times, and walked past in which it activated every time perfectly! For $22 it's a sweet addition to our Halloween arsenal. Hope this helps!

確かにはじめは録音再生できませんでした。 やり方としてはフォーマット削除してMP3を転送させる（この間は電池入れない）USB供給のみ PCより外して電池入れ机の上などに置き横切ると音声流れます 説明書はよくわかならいですがスイッチ音量真ん中もしくは上側にしてセンサー部を横切ると必ず音声再生されます。 再生できない要因として考えられるのは本体を動かして再生しようとしている為と思われます その辺置いてご自身が移動すればセンサー反応し録音再生されますよ