Technology has progressed since this question was asked. Here's a bone-conduction earpiece, that works by injecting the vibration around your ears rather than through your ears. The price is coming down but they're still much more expensive than most headphones. However no moving speaker makes them more water resistant, therefore tougher.


Point 1, hearing the outside world, is mostly easy. If the audio is too-high a volume it can still drown out the background, but that's got to be quite loud. Point 2, these headphones have to work with your device. If that means bluetooth, then battery life becomes a consideration. If your device has audio-output jack then that's another option. Do note -...

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