H2O Audio TRI Multi-Sport Waterproof Bone Conduction Headphones, Bluetooth Open Ear Headphones with Built-In MP3 Player…

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Multi-Sport Waterproof Headphones – Enjoy your music in and out of the water with our breakthrough Bluetooth bone conduction headphones with a built-in MP3 player. It securely fits around your head for a wireless experience as you run or swim.
Bone Conduction Technology – These open-ear headphones direct sound vibrations to the head and jaw bones, letting you enjoy music without blocking sounds from your surroundings. The battery offers up to 9 hours of playtime – ideal for triathletes. NOTE: Battery Life varies based on volume level and mode.
100% Waterproof and Sweatproof – These headphones can withstand submersion to 12 feet (3.6 meters) under water. Our waterproof rating is IPX8, the highest in the industry. Feel inspired by your favorite music as you work out, rain or shine.
Built-In MP3 Player – Transferring music from your computer to these over-ear bone conduction headphones is a breeze with the micro-USB cable provided. With its 8 GB of memory, you can listen to hundreds of songs in most music formats.
Stream Music from Your Device – Bluetooth connection lets these headphones sync with your smartphone or music-enabled smartwatch to play podcasts, audiobooks, and playlists as you train. (Note that Bluetooth range underwater is only a few inches.)