Features:The smartphone helmet chin mount not only used for 4-7 inch smartphone,it can also used for most action cameras. The mount has updated the helmet chin strap mount. Through design collection and user feedback of the market existing chin strap, some improvements have been made to the design. New Design Strap buckle,make it more convenient,A new double-head adapter has been added to facilitate extended and adjusted shooting angle. The back of the product is designed with a soft non-slip mat made of silicone material to provide better friction and cushioning,It can make the strap Holder more stable,help you take more stable video. Motorcycle helmet chin bracket is easy to install and remove. With this mount, action cameras can be mounted on the chin part of helmet; Shooting angle is just like from your own eyes. The double-layer elastic band makes the camera fixed more firmly. The middle part of the gasket adopts a sunken design to highlight the soft glue on the periphery to avoid scratching the helmet.The helmet chin mount is made of high quality material,durable and easy to use. Package Includes:1Set x Phone Hoder Specifications:Material: PC + silicone + polyester fabricsSize: approx.20x11x5cm/7.87x4.33/1.97inColor:black blue orange note:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you