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No, that device is programmable (not masked) and doesn't use an EPROM.
It's a nicely built and that it's rechargeable with USB Type C is nice.
So, here's the thing. It uses 1 wire programming ("ICE", in-circuit emulator).
I've got an ATMEL ICE here that can do SWD (single wire debug).
You might be able to play around and read the memory out or they might have locked it.
You need a separate, higher voltage power supply at Vpp to program it, but that comes later.
They sandblast the chip so that you can't see what it is.
So it's a mixed bag. The entire code is there but you may not be able to read it.
With an EPROM you can't read the main code (from the masked ROM) but you can R/W the options in the EPROM.
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