Shokz OpenRun 803 - Bone Conduction EarphonesOpenRun is the 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. Product Features Delivers clear sound, powerful volume, and a rich bass 8 hour battery life; a 10 minute fast charge to play for 1. 5 hours IP67 rated water and rain proof, with moisture detection alert Dual noise cancelling microphones on both sides to