Bluetooth Mini Hi-Fi Earphone Amplifier MP3

Great MP3 player - it breathed new life into an old receiver. The RCA jacks went right into one of the inputs. I like how when it's turned back on, it just starts playing the MP3 library in random order, or the last setting it was in before it was turned off. Sound quality is nice and clear - no humming or buzzing. I also like the time counter display as the songs play. One more thing - it starts playing the next song immediately - no long delay between songs - and it does it when playing in random order - a good sign for this unit's ability to process the MP3 data.

This device is great for playing mp3’s off of a usb. This can be connected to a stereo or other source. It has random playback and you can enter the number of the file. It has blue tooth which made it easy to connect to my phone so. I can use Amazon or Spotify. You can also make calls. The FM antenna works well.

This product actually works right out of the box. Even if you unplug it, it comes back to the same song. The only problem I have with it is there is no write up of a maximum memory capacity for USB drive or anything else. Despite that, It works like a champ, The Sounds is great, but I don't know which memory stick to buy, as nothing is in the description or in the owner's manual. This is the only reason I took away one star, otherwise this product would get five stars.

I sent a note to the seller. No response. Hook up was great. It plays great, but when I press the number on the remote for it to play albums.. it does not recognize it and only plays random songs. Otherwise, a great unit. Maybe this will get their attention and contact me? UPDATE: Unit is skipping badly after a few minutes. FM, stops playing after some time also, then starts, then stops. I can deal with the random playing but not now. This unit apparently has not be tested at the mfg and there selling it here thinking buyers will not send it back. Wrong. This unit needs work. Sending it back immediately.

I really wanted to like this and it does have some positives. It is essentially a large music player with built in FM and apparently can link to bluetooth music sources, like your phone. I have been unable to connect this to bluetooth speakers. In term so the FM antenna, the reception is poor. It would be nice if, in addition to the USB antenna, one could use an external speaker wire system. This does not get channels that I can get in my car or in other radio players I own. The USB music plug works and plays music. I have not been able to get it to see an SD card. Perhaps it is a defective unit. When I put the micro-SD card in a USB adapter I can play it in this player so there is a work around. In many ways this is a glorified portable music player with many of the same options. It is designed to be an integrated system for an automobile. The equalizer system is simple but appears to only work with the USB music source option and not the FM radio option. It would be nice if it was able to read tags in the music and provide functionality to play based on the tags. This would raise the cost, so I can understand that design decision. This has the makings of a nice music player but lacks some critical functionality, IMHO. Given that, if it fits your need, it does work mostly as advertised and you may be able to be happy with this system.

I have an older receiver that is not blue tooth compatible. This worked perfect. Plugged in the audio cords to the receiver "in" (I used my CD input), turned on my android phone, it found the device immediately, I paired it, and it worked perfect. I works up to 20' from the unit. I could not be happier. I can also jam in a USB drive (fat formatted) and it will play all my .mp3s.

This little box fits my needs perfectly. I have an older NAD analog stereo without Bluetooth or usb/sd card input. This thing has: Bluetooth usb/sd card input FM tuner Aux input 3.5mm line level output It remembers my settings when turned off and back on again: Output volume Last tuned FM station Repeat mode (one, all, random) DSP mode (6 settings like pop, rock, jazz, etc) Mode (Bluetooth, usb/sd card, FM tuner, Aux input) So in my case, I have it connected to my stereo’s switched AC power. When I power up my stereo, it turns on this little box which then begins playing the last song I was listening to from my SD card, in random repeat mode. It just doesn’t get any better than that! The board used in this thing is also known as 747D Just search the ‘net for 747D for more info, but be aware there are several versions of 747D being made in the Chinese factories, so be careful to choose the right one. It does not have a separate FM antenna input jack, but instead has the antenna input tied to the chassis inside. In this way, the attached cables (USB power and line level output) act as an antenna. Seems strange but works well none the less. Bluetooth works well and has good range. The FM tuner has presets and it can scan and memorize your local stations. The included remote control seems a little cheap, but works well nonetheless. Overall, this unit fits my needs perfectly, and I rate it 5 stars all the way.

First off... when it worked it was good. But the usb and micro disk never did work. Pros: The price was good. Easy set up. Good range. The cons: The loud announcement every time you connect or dis connect. The life span was too short. Recommendations... spend a little more and get a better one.

Super tiny, good sound and good price, I use it mainly for mp3 on the sd card slot connected to an old Boston 2.1 computer speaker and it sounds great big plus is that it’s powered by usb charger (not included) so it can be connected always

Just recieved this product and it is smaller than I thought, Works great and sounds perfect. 👍👍🇨🇦🙂

Funciona excelente, se escucha muy bien el radio FM, el bluetooth y el usb inmediatamente se conecta , recomendable, buena calidad,

Muy bueno el dispositivo, pude activar mi estéreo viejo.

Works fantastic along side a set of PC speakers in my garage. Came with removable antenna, but this is not required as soon as it’s plugged into power the usb cord acts as an antenna.