OpenSwim takes open-ear listening to new depths. The IP68 waterproof design withstands total submersion in up to 2 metres of water. With up to 8-hours powerful battery life and 1200 songs storage, you can continuously enjoy the extraordinary underwater sound quality. It’s the unbeatable choice for swimming. Bone Conduction Technology Equipped with the patented PremiumPitch™2.0 bone conduction technology, OpenSwim (Formerly Xtrainerz) achieves 50% less sound leakage, and provides extraordinary underwater sound quality. IP68 Waterproof, Versatile And Secure Fit An IP68 waterproof design withstands total submersion in up to 2 metres of water. It’s fully waterproof and submersible so you can swim, run, cycle, or train harder than ever before. Compatible with swim caps, goggles and earplugs. OpenFitTM titanium design equipped with wraparound flexibility for reliable stability in any situation. 8-Hour Battery Life and 4GB of MP3 Storage Designed to go the distance. Powerful battery enables a premium audio experience for up to 8 hours and standby for up to 10 days. Built-in storage allows for a library of up to 1,200 songs, ready to play at the touch of a button, enough to store all the music you enjoy. File your favourite music in different folders, enjoy workout without phone distraction. Supported audio formats are MP3, WAV, WMA, AAC, and FLAC.