Open-ear design keeps you aware of your surroundings while you work out, making outdoor activities safer. Whether you are walking, running, or cycling, you can stay attentive to ambient sounds without removing the headphones. The OPENEAR Duo wireless running headphones are comfortable and lightweight, weighing only 0.86 oz. The body is adjustable with 360° bending for a secure, personalized fit. Made from skin-friendly, non-allergic silicone, they provide wireless freedom with a low profile that remains comfortable over long sessions. These headphones are waterproof and sweatproof with a professional-grade enclosure to prevent sweat and rain from entering. The fully enclosed sound cavity, along with skin-like material, allows easy wiping to refresh. The ergonomic design ensures a stable fit during running, jumping, or other high-movement activities. Bluetooth 5.2 delivers a stable connection with faster transmission and stronger signal. The microphone features environmental noise reduction to minimize surrounding sounds, helping you hear and be heard clearly for calls as if you were speaking face to face. Use cases: - Outdoor workouts such as walking, running, or cycling - Gym training or high-movement exercises - Commutes or daily activities where situational awareness is important