SONR Music Waterproof MP3 Player for Swimming, Bone Conduction Underwater Headphones for Pool, Open Water & Triathlon Training, Wireless, Clear Sound, Open-Ear Player with Bluetooth (Sunny)

Listen Underwater with Confidence 100% waterproof bone conduction MP3 player designed for swimmers, triathletes, and open-water training. ^^ No Earbuds, No LimitsBone conduction technology delivers clear, balanced sound through your cheekbones. Perfect for pool or ocean swimming. ^^ Easy to UseOne-button control and fast file upload from any computer. 16GB internal memory stores up to 2, 5003, 000 songs (MP3, MP2, MP4, FLAC, M4A, AAC). ^^ Long Battery LifeUp to 4 hours of continuous underwater playback per charge. Up to 10 days of standby time when not in active use.

Up to 8 hours of total mixed-use battery for land + swim sessions. Bluetooth mode works on land for training. ^^ Waterproof & Comfortable Fit5 ATM waterproof bone conduction MP3 player - safe for swimming and training in pool or open water. Sleek 35 g design fits securely and comfortably on your head without earbuds. ^^ Important Before UseFully charge the device before first use without unplugging it. Recharges in about 1.5 hours via magnetic USB cable. If unused for a long time, recharge to maintain battery performance.