Description: 100% brand new Name: Helmet Liner Mount Material: Plastic, soft rubber, magnets Color: Black Dimensions: 52 x 57 x 26 mm Compatible Models: For Insta360 GO 3S/GO 3 Features: 1. GO3S/GO3 helmet liner mount, unlocking the helmet's internal perspective for a brand-new cycling filming experience 2. Try a new camera angle, unlock your racing masterpiece No suitable mounting position on the vehicle body? Don't worry. Unlock creative new camera angles inside the helmet, with the lens and line of sight synchronized, recreating the real sensation of speed 3. Compact and lightweight, virtually unnoticeable 17g ultra-light design, doesn’t obstruct your view, allowing you to immerse yourself in riding without distraction. 4. Noise reduction and windproofing, upgraded audio capture with an in-helmet camera angle, naturally windproof and noise-free, ensuring clear and crisp audio of voices and engine sounds. *Please close the visor to aid audio capture. 5. Triple stability enhancement to prevent slipping. The fin-shaped insertion structure, combined with a anti-loss strap, ensures the camera stays securely in place. 6. Adjustable shooting angle. Designed to complement the helmet's shape, the mount base allows flexible adjustment to the optimal shooting angle. Included in the package: 1 x Mount base 1 x Anti-loss strap