I ordered a second, because it is a well-tuned mini-machine. and....It is also a fast shipping. I try many simple mini-machines that can be used on my desk, but it is the best sound quality. However, the sound of the output is quite loud, so adding a 750 ohms to the resistance of the analog output stage increases the low base and the sound condition of the earphone can be felt. It is a very highly tuned device. I strongly recommend it.
This is very good sound. And veeeeery quick delivery.
It's a mini-machine that makes a great sound right now, but... Add 750 ~ 1 kilo ohms to the resistance at the end of the analog stage and you can hear a much thicker cello. That's exactly what I want to say. I recommend it again.