USB camera video/audio tester

App can report the technical specifications of USB video/audio devices attached to your phone.
You can attach multiple USB devices, such as:
1) USB camera,
2) USB endoscope, Microscope,
3) USB Audio capture card,
4) USB Video capture card,
5) HDMI capture card and so on.

Once the USB device is connected, the app can report you all the technical information, f.e.
Manufacturer, Model name, Interfaces, Ports, IDs, Version and so on.
In addition, the app can provide information about real status of the battery.
This is necessary because the battery is heavily loaded when connecting external USB devices.
Also, you can connect different USB Mass Storage drives to get information about their real available capacity.