I would love to see a schematic for the device or a teardown. I designed an electrooculogram in college and I'm guessing this is a similar electromyograph-type

I would love to see a schematic for the device or a teardown. I designed an electrooculogram in college and I'm guessing this is a similar electromyograph-type device. Measuring any signal on the body is challenging and accounting for humidity/noise/etc is difficult.