LISTEN UNDERWATER WITH CONFIDENCE: 100% waterproof bone conduction MP3 player designed for swimmers, triathletes, and open-water training. NO EARBUDS, NO LIMITS: Bone conduction technology delivers clear, balanced sound through your cheekbones. Perfect for pool or ocean swimming. EASY TO USE: One-button control and fast file upload from any computer. 16GB internal memory stores up to 2,500–3,000 songs (MP3, MP2, MP4, FLAC, M4A, AAC). LONG BATTERY LIFE: Up 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 FIT: 5 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 USE: Fully 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. TAKE YOUR MUSIC UNDERWATER - COMFORTABLY AND WITHOUT EARBUDS. SONR Music is a waterproof bone conduction MP3 player designed specifically for swimmers, triathletes, and open-water athletes. It delivers clear sound through your cheekbones while keeping your ears open and unobstructed, so you can swim naturally without pressure, irritation, or earbuds falling out. MADE FOR REAL SWIM TRAINING Waterproof construction tested to 5 ATM Designed for pool laps, drills, open water, and triathlon prep Lightweight 35 g open-ear design Secure fit that stays in place during turns and long sessions STABLE SOUND UNDERWATER Your music is stored inside the device, ensuring smooth, uninterrupted underwater playback — no Bluetooth dropouts and no signal loss. MEMORY FOR THOUSANDS OF SONGS With 16GB internal storage, SONR Music holds up to 3,000 tracks and supports multiple popular formats. Just drag and drop your music and swim. BATTERY BUILT FOR TRAINING Up to 4 hours of active playback for swim sessions. Up to 8 hours standby/mixed use, ideal for a full training day. Perfect for pool training, open-water swims, snorkeling, or any water workout where staying motivated matters.