Features: Engineered specifically for GO 3 & GO3S , this windproof noise reducing Sponges cover is accessory for clear recording. The Sponges ffectively minimizes windy noise, optimizing your video capture experience have no adding weight to your devices. Perfect for outdoor enthusiasts and content creators who demand superior sound quality in their recordings, even in windy conditions. Perfect for action packed activity like mountain climbing, skiing, and cycling, where reducing windy interferences is important for capturing sound. Wear resistant and reusable, this windy noise reductions Sponges ensures that adventurers and photographers can consistently record clear sounds during their most dynamic moment. Specifications: Material:Sponges Package Includes: 1Set Mic Windy Muff note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.