HiLetgo HiLetgo Mp3 Lossless Decoders Decoding Power Amplifier Mp3 Player Audio Module Mp3 Decoder Board support TF Card USB

The product was used for a sound system in a model steam boat Unit works perfectly

The MP3 player is easy to hook up and works well. It plays MP3s from a micro SD card or a USB drive or both. I found that it will automatically play whichever is plugged in. Or it will switch to the new one when one is plugged in. With the forward and back buttons I could step through the tracks from the SD card to the USB drive and back. I assume if I let it play it would play tracks across both from SD cart to USB although I haven't let it run that long. It also rememberd where I was when I powered it off and started back where I was when powered back on. I got sufficient volume from the speaker connection for anything I would want it for. The volume on the headphone jack was much lower. The headphone jack will work for headphones but won't drive a speaker without external amplification. At high volume there is some noticeable white noise. The only drawback I found is that it is mono not stereo. It has volume buttons (long press) and previous and next track buttons (short press). It doesn't have skip forward and back buttons which I find a requirement for listening to audio books or podcasts. It has a repeat track mode button and play/pause. Long pressing play/pause is supposed to switch back and forth between the SD card and USB drive but that didn't work.

This unit sounds espcially good when used with stereo headphones. I connected a cellphone speaker modul to the mono amp output which also sounds fine.

i was unsure this was going to be what i needed, but when it arrived and i tested it, it performed better then i'd hoped. It's not super loud, which is fine because i'm using it to add sound effect's to a item i'm printing on my 3d printer. It's small and low powered, i charged a 3.7v battery for just 20 mins, and it run with 2x 3 watt speakers for almost a hour, only losing sound quality near the end when power was almost gone. The fact you can add a rechargeable battery to it and it will recharge it as you use it, was a added bonus i didn't see when i ordered it. size min space needed 50mm x 36mm x 20 mm , which makes it great for small electronic's projects. I'll be getting a couple more in the future. This one i will be modifying a little, only because i need to place the control's away from the control board, but it's a simple issue to change. Good job.

Used this with a small 3 Ohm speaker to add sound to our gas fireplace. Have it connected to turn on and off with the fireplace. Adds another layer of authenticity to an already excellent gas fireplace. Amazed they don't come with sound as an option.