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Whether you're training for your next ultra, hiking into the mountains, or just jogging through the park, audio performance and comfort matter. That’s where the OpenRock S2 steps in — open-ear air conduction earbuds that are engineered for endurance, clarity, and freedom. We’ve been testing these for days on the trail and at the gym — and they’re more than just lightweight; they’re revolutionary for outdoor and fitness enthusiasts.

Finding the perfect sports earbuds can be tricky. You want something comfortable, secure, sweatproof, with great sound, and long battery life. Today, I’m reviewing the OpenRock X by OneOdio—a premium pair of open-ear earbuds designed to offer all of this and more.