the mics are soldered onto the main board. also the device is primarily voice controlled so that would render it pretty much nonfunctional.
no, I’m afraid I don’t know much about battery circuitry. there is not much free space inside this little puck to hold a battery with significant capacity, though.
@alexa3 the power supply is marked 14V / 1.1A
@hk_asking The switch is on a small peripheral board connected by a ribbon cable. I cannot tell if it directly disconnects the microphone.
The NAND flash is TC58NVG2S0H
The SoC is Synaptics AS-370 A1
RAM is NT5CC128M16JR
The entire markings on each chip are:
NT5CC128M16JR-EK[there's more letters but they're covered]
92420800EP L T[there's more letters but they're covered]