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.Key Features:8th Generation Bone Conduction TechnologyIP67 Waterproof (Not for swimming) Lightweight + ComfortableLightweight + Comfortable8-Hour Battery Life + Quick ChargeSized Down For A Snug FitBig performance in a smaller size. OpenRun Mini features a comfortable 0.83-inch shorter band than our Standard size, making it ideal for smaller head sizes and for those who prefer a more snug fit.Open-Ear ComfortOur open-ear design, powered by bone conduction technology, allows for total awareness of surroundings and bud-free, comfortable listening.Available in 2 sizes to maximize comfort and ensure a secure fit. OpenRun Mini has a 0.83 inch shorter band size.IP67