BORN FOR SPORTS - Titanium and silicone materials ensure 35g lightweight, and the ergonomic design provides a comfortable and stable wearing experience. Powerful IP68 waterproof brings a 5-metre depth diving capacity, with 32GB music storage also makes it a perfect MP3 player while swimming, from land to underwater, Suunto Aqua are resistant to water, sweat and dust for all sports.CLEAR VOICE SOUND - Adopting the ENC (Environmental Noise Cancellation) technology, the built-in dual microphone is capable of capturing your voice and removing the ambient noise intelligently. Whether you are running or cycling, the SUUNTO Aqua headphone ensures the clear music sound & calls for you.30H PLAYTIME - With SUUNTO bone conduction headphones, you can immerse yourself with up to 10 hours of music.