8th Generation Bone Conduction Technology 8-Hour Battery Life + Quick Charge IP67 Waterproof (Not for swimming) Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun is our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout.Open-Ear ComfortOur open-ear design, powered by bone conduction technology, allows for total awareness of surroundings and bud-free, comfortable listening.IP67 WaterproofAn IP67 rating makes these completely sweat and waterproof to welcome intense workouts and extreme weather. A moisture detection alert ensures safe charging. Not intended for swimming.Outstanding Sound QualityPowered by patented 8th generation bone conduction, Bluetooth 5.1, and PremiumPitch2.0+, OpenRun delivers clear sound, powerful volume, and a rich bass.Lightweight Secure FitM