Experience unparalleled audio versatility with the TRI 2 PRO Multi-Sport Headphones, designed for all your athletic endeavors, whether on land or in water. Whether you're swimming, running, biking or padding the TRI 2 PRO has you covered. These headphones feature advanced bone conduction technology, delivering unparalleled clear and crisp sound while allowing you to stay aware of your surroundings. For above-water activities, the TRI 2 PRO connects seamlessly to your smartphone or smartwatch via Bluetooth for live direct Streaming. Planning a swim? Utilize the NEW - Playlist+ feature to capture, load & store any live streaming content from all of your favorite apps which you can then access from memory mode offline, underwater for uninterrupted playback. Or, easily direct download your favorite music or content in multiple audio formats, including M4A, MP3, WMA, FLAC, and APE. The Playlist+ feature, allows you to enjoy offline eBooks, podcasts, and music. Since Bluetooth isn't functional underwater, we recommend using Playlist+ feature or direct download for your aquatic adventures. Built to seamlessly transition between different sports, these headphones boast beyond IPX8 waterproof technology, making them perfect for swimming and sweat resistance. With up to 6.5 hours of mixed-use playtime and 8 GB of storage, you can enjoy a diverse listening experience on a single charge.