Features: brand new and high quality The belt is anti-slip design, which is more reliable when it is in contact with the skin. High-quality equipment for cycling and other extreme sports photography. High-quality lock buckle, chest strap design is more suitable for human body structure, more comfortable to wear. Suitable for most action cameras on the market. Adjustable Elastic Strap.Comfortable, fully-adjustable design fits all shapes and sizes, including over large jackets. Gives you a "lower than the helmet" view of the action.Provide immersive experience. Specifications: Material:PC Color:Black Application: For 360 ONE RS/X2/R/GO 2/ 10/9 Package Includes: 1x Chest Strap 1x Co-directional Extension Connector 1x 1/4 Screw Adapter 2x 1/4 Screw Fixing Rod note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.