https://community.bose.com/t5/Around-On-Ear-Headphones/NC700-Found-a-working-bluetooth-dongle-for-Windows-device/m-p/286090#M56895 with additional Bluetooth dongle some guy was able to use the mic ...
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https://community.bose.com/t5/Around-On-Ear-Headphones/NC700-Found-a-working-bluetooth-dongle-for-Windows-device/m-p/286090#M56895 with additional Bluetooth dongle some guy was able to use the mic of bose 700, I personally use inline mic brought from my previous qc35 ii and it works