DetailsBrand One80 Model H2 Battery Life 7+ hrs Latest Version Yes Use Running Key FeaturesSizeAccessoriesStyleBasic FeaturesAdvanced FeaturesEase of UsePower SourceBandDurabilityBottom LineKey Features Key Features 100% waterproof (ipx7) Stronger, reinforced waterproof connectors - NO MORE MICRO USB Redesigned connection points with LED band to prevent any wear or shorting Higher quality & stronger headband and belt elastic material Adjustable battery holder for easier removal and adding battery pack Add-on red or green light options New flash...