I fitted this to an Elite Oculus Quest 2 headband. The straps used to attach to the headband have this nice velcro that is very sticky so it doesn't even move once the item is attached. Once everything is installed on the headset I can just forget about it, the overall fit helps a lot with the Quest 2's ergonomics. As for the battery, I ended up with a relatively compact Anker PD 10000. The strap that attaches it is pretty wide and snaps back into the belt loop with that sticky velcro. The strap has enough strength to hold the battery in place (and I gave it a good shake to test it before clipping the cell onto the headset), so I'm sure it will stay in place for that long will as it takes. The included cable is the perfect length for connection. Headphone battery. My minor complaints are that the cable jacket is a little rough making the cable a bit stiffer than I would like, and you also only have one strap to secure the loose cable to the headset. I wish there were a velcro strap or two included, but that's definitely not a deal breaker.
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