Amazfit PowerBuds are interesting as they offer PPG heart rate sensor built-in. An IP55 rating should be enough to withstand rain and sweat.
The charging case features a 450 mAh battery while the buds pack 55 mAh cells. This should be enough to get you through 8 hours of non-stop listening on a single charge.
The PowerBuds feature wear sensors that allow them to pause your track as soon as you take them off. The available colors are Refreshing White, Shadow Black and Racing Yellow.
The Amazfit ZenBuds with silicone earmuffs that should isolate the ambient noise quite effectively. Moreover, they are equipped with sensors that track your sleep for a full and comprehensive report in the morning.
The heart rate monitor is at hand as well to further help the buds analyze your sleep. You can set some chill tones to help you go to sleep more easily. And to preserve battery life, the buds will automatically turn off the musing when they sense you’ve gone to sleep.
They seem to be a pretty good traveling companion on the plane and can go for 12 hours straight while the included charging box extends that time by another 56 hours.