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Introduction
The Left Speaker housing on the h.ear on 3 contains the following components:
* The mainboard, which has a bunch of chips, presumably the wireless chips as well.
* A separate board housing all of the buttons, ports and the microphone used for calls.
* NFC antenna.
You also need to disassemble the Left Speaker housing to fully remove the headband.
I don’t have the tools or skills to disassemble most of the parts here (only the headband), so this guide is if you want to access this area and perform your own further disassembly.