INDICATORS ON GPD HANDHELD PC YOU SHOULD KNOW

I wonder if anybody can show an image of the mass output device (needs to be all black), and do a practical sound examination, not with a sound level meter, but with only a lav mic on shirt, and chat Ordinarily when stressing the device.The display screen by itself is 5.5 inches, rendering it more compact than my Lumia 950 XL. It might have been ex