Shokz Openrun Mini Bone Conduction Open-Ear Endurance Headphones Black. 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. Specifications for Shokz Openrun Mini Bone Conduction Open-Ear Endurance Headphones: Manufacturer: Shokz Headphone Style: Bone Conduction Transducers Water Resistance Level: IP67 Features of Shokz Openrun Mini Bone Conduction Open-Ear Endurance Headphones 8th Generation Bone Conduction Technology IP67 Waterproof (Not for swimming) Lightweight + Comfortable 8-Hour Battery Life + Quick Charge Package Contents: Shokz Openrun Mini Bone Conduction Open-Ear Endurance Headphones Shokz S803-MN-BK-US: Openrun Mini Bone Conduction Open-Ear Endurance Headphones Black