Owned a pair of first wave ones. They were decent external build quality. A bit heavy. Comfy to wear due to heavy padding on the top and the earpads. Sound quality was quite good too, a little heavier on the bass than typical though.
The battery life on the lights wasn't too bad.
The speakers were kind of eh. Not the best not the worst, you know?
The mic was shit. Just refused to work regardless.
If you want to use the mic you need to use one of the all-in-one 3.5mm cables.
Using a splitter did not work.
Most of them from the first few batches were prone to breaking, the lights would stop functioning in one or both of the ears after around a month or so.
Mine had faulty lights from the second week of owning them.
One ear stopped functioning after a month and a half, replacing the cable fixed this for all of another week, but after that no matter how many cables I tried it wouldn't function.
The other ear stopped functioning a week later.
Thankfully I got a full refund, they even paid for the import costs I was charged.
Unless they have made significant improvements to the internal build quality in recent batches, I would not invest in these period.