First, I have a Samsung S20 Ultra. The bracelet's power and volume icons are on the opposite side of my phone. That doesn't make it ineffective in itself, but it can be annoying for some. In addition, the valve does not stay down, which is uncomfortable when worn. It just feels like that aspect of the dressing wasn't designed very well. I didn't want to go through the whole return process so I cut off the flap and glued velcro to the fabric. I had these supplies, so this worked for me quickly. Much more efficient now.
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