Are there any TWS adapters with Bluetooth LE?

Yep.

Can you post a link? I don't see these.

Any issues with driver flex or pressure? How does its isolation compare to others?

There are the yellow Shure foams.

Not really, but it's not as big as issue as I feared. I just wear it right side up with 90° cables, or rotated 90° and to the left or right side of the shirt collar with straight cables.

In a good way?

Based on my experience so far, I don't consider buying anything with BAs anymore.

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How is noise isolation on these? Also, is there any frequency response graph?

Thanks, that is surprising. Maybe there's a hidden vent, like on the Blon BL03's 2 pin connector. How is the isolation? What about bass extension?

How is the driver flex on Dauntless?

I haven't received the Mele yet, but I was also worried about this issue so I asked on the official thread. If you're OK with a slight reduction in upper mids, you can use moondrop filters instead, which have a multi layer design intended to prevent clogging. This is what I intend to do...