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A 3.5mm-to-Bluetooth adapter that can do simultaneous headphones + mic. I have a device with no Bluetooth, only a 3.5mm TRRS jack (headphones+mic). I want to connect it to a wireless Bluetooth headset but the only adapters I can find won’t do both at the same time, only one or the other.
#3 is the key I think. Valve’s business model is figuring out what their customers want and then providing it to them. Amazon’s model is to capture enough market share so they can start the enshitification process.