I love the GPS chip, it acquires satellites quickly and holds signal even in buildings rarely loosing signal. Works for several days as a watch (sensor mode), but in GPS mode, logging satellite data all days is a stretch. Maybe good for around 12 hours. I was able to store 35 days (~12 hours/day) of gpx data and still had 30% strorage remaining. It works as described, but a little light on battery life.
Verified purchase: Yes | Condition: New
Device is good, buttons are a bit small to not intuitive. and screen not very bright in daylight, but the logging function is the main reason I bought it. Compact and easy to wear
Verified purchase: Yes | Condition: New
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