The TRI PRO is a game changer, and offers a completely new way of listening to music. We call it PLAYLIST , our patent pending solution for offline streaming music without a phone. Take your streaming music underwater & anywhere.

H2O Audio App: With the new H2O Audio app, you can manage all your music, update your software, create folders, add songs to your Playlist and more. The app is free and available for both Apple and Android.

Open Ear Experience: Our latest bone conduction speakers are slimmer (by 5mm vs. TRI headphones) and use enhanced speakers that provide an amazing sound in and out of water - with full situational awareness.

Multi-Sport Design: Designed for swimming, biking, running, paddling, surfing, snowboarding. 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 thousands of songs and accepts most music formats - including the iTunes .M4A.

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 - use the PLAYLIST feature. (Bluetooth Version 5.3)

Battery Life: 5 Hours of play time should cover most endurance events. Battery life will vary based on use. Charging time ~2h.

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.

Other Specs: Dimensions: H45mm, D140ｍｍ, Weight 33g. Frequency range: 20Hz～20kHz, Battery specifications: Li-Ion 3.7V, 270mAh, 0.99Wh, Work environment: 0~50C