I would clearly do the trade. The 5164 ease of wear and ease of travel function makes it a much better travel companion than the BLRO.
I own both a 5164 and BLRO but if I had to keep 1 it would be the 5164.
The 5167 is a no brainer to move in this transaction.
For sure keep the 5711 ,though a 5711 for 5712 is something to consider. Ive done that as well :)
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