Fake SJ588 internal

...but internally we can see some differences:
1- Many small resistors and capacitors in front, none in the back;
2- One single LED in the middle (the true has 2 leds, one left one right).
3- In the back, we can see the "common" terminal wired to ground (the true sj588 does not connect common output terminal to ground!)

OBS:
1- This device uses a CM-109 chipset, is a "B-Class" audio device, like "HY554" in SoundStepper documentation.
2- In Windows, the name of this device appears as "Generic USB audio device", and the "true" SJ588 appears as "USB AUDIO".