This mounting accessory kit for GoPro and most Action Cameras and Mobile Phone, it is specially designed to mount an action camera or mobile phone on your full-face helmet chin position, providing you a great motorcycling shooting capture.The mobile phone clip can adjust the gripping range by rotating the knob on the side, which is compatible with most cell phones on the market. The high-quality elastic band design makes the helmet chin strap suitable for most full-face helmets.