Combining our latest bone conduction speakers, Bluetooth, MP3 player and the stable fit of a behind-the-neck headphone, the H2O TRI headphones are designed take on any sport - in and out of water!

Multi-Sport Design: Designed for swimming, biking, running, paddling, surfing. Your Sport - Your Music!

100% Waterproof: H2O Audio waterproof technology allows headphones to withstand submersion to 12'/3.6m underwater for an unlimited amount of time. Waterproof Rating: IPX8. 

MP3 Player: Built-in MP3 player with 8 GB of memory will hold several hundreds of songs and accepts most music formats - including the iTunes .M4A. NOTE: Streaming music from Spotify, Apple Music, etc. are copyright protected and can NOT be downloaded to the memory. For streaming music - use the Bluetooth mode.

Bluetooth: Connect your iPhone, Android or any music enabled smart watch - and enjoy running & biking with streaming music. Note Bluetooth range under water is only few inches. For swimming with smart watch - your watch needs to clipped onto your goggles.

Battery Life: 4-6 Hours of play time should cover even the most grueling endurance events. The battery life greatly depends on volume level and usage.

Secure Fit: The neck band provides a secure and comfortable fit while swimming, paddling, running, and working out. Earplugs included for swimming use - to reduce any water noise in your ears. 

User Guide, How To Wear & Support