Wind Noise Reduction Foam: Effectively reduces wind interference for clearer, more natural audio recording. Snug & Secure Fit: Custom-molded for GO 3 / 3S thumb camera; fits tightly to the camera body for stable use. Fully in 360 Degree : Designed to stay completely out of frame, ensuring clean, immersive panoramic footage. Professional Acoustic Foam: Made from carefully high-density material to balance wind blocking with audio transparency. Optimized for Immersive Capture: Maintains high-quality sound pickup without compromising 360 Degree video performance. 1. Wind Noise Reduction Foam: Effectively reduces wind interference for clearer, more natural audio recording. 2. Snug & Secure Fit: Custom-molded for GO 3 / 3S thumb camera; fits tightly to the camera body for stable use. 3. Fully in 360 Degree : Designed to stay completely out of frame, ensuring clean, immersive panoramic footage. 4. Professional Acoustic Foam: Made from carefully high-density material to balance wind blocking with audio transparency. 5. Optimized for Immersive Capture: Maintains high-quality sound pickup without compromising 360 Degree video performance. Color: Black Material: Sponge Package Contents: 12*Mic Winds Muff Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.