The specialty of Phazon earbuds is that it comes in one size that fits all. Thanks to its patent-pending twist motion design which shapes itself within ears. The design seems to be inspired by origami. These bluetooth earbuds weighs only 7.8g and use 50mAh battery which can be charged via USB. The Phazon are uses IP68-rated waterproof housing. Currently Phazon earbuds are collecting funds on Indiegogo campaign where you can pre-order them for $149.
https://www.youtube.com/watch?v=qYU1_wT9EG0