I've seen several reviews about the zipper but mine looks solid and runs smoothly. The rest of the light is bright. The charging port has a small red LED that turns off when fully charged. It fights my Samsung Note8 with key spacing and doesn't bounce when I run. Pleasantly surprised by the wide elastic waistband. I didn't know it was flexible. It fits snugly without pinching or chafing and is adjustable. I'll update if anything goes wrong, but I expect this to work fine for a long time. Driven in drizzle, no problems.
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