SONR Music Waterproof MP3 Player for Swimming | Bone Conduction Open-Ear Headphones

Meet SONR, the music companion built for swimmers, triathletes, and open-water training — a 100% waterproof MP3 player that uses bone conduction to deliver sound through your cheekbones. The result is a lightweight, secure listening option that helps you stay focused on pace and form without compromising awareness.

Why swimmers choose SONR

• Underwater listening with bone conduction channels clear, balanced sound through the cheekbones, keeping ears free for environmental cues.
• Open-ear design reduces pressure while you train, whether in a pool lane or open-water chop.

Storage, formats, and easy use

• 16GB of internal memory stores thousands of songs across popular formats (MP3, MP2, MP4, FLAC, M4A, AAC).
• Upload files from any computer with a simple, single-button workflow.

Battery life for mixed workouts

• Up to 4 hours of continuous underwater playback per charge; up to 10 days of standby time; up to 8 hours of total mixed-use battery life.
• Bluetooth mode works on land for dry training sessions, extending listening options beyond the pool.
• Recharges in about 1.5 hours via magnetic USB cable, making it easy to top up between sessions.

Comfort, durability, and care

• 5 ATM waterproof rating with a sleek 35 g design that fits securely on the head without earbuds.
• Important first-use tip: fully charge before initial use and recharge if unused for long periods to keep performance steady.

Whether you’re swimming laps, training in open water, or balancing dry-land workouts, SONR offers a practical, sensorily engaging listening experience. Consider it a flexible companion for varied training days, with potential benefits like uninterrupted music during swims and hands-free awareness on the pool deck.