Fangrui Product Details 1. Standard Collar Lazy Adjustable Neck Bracket For Gopro Action Camera Smartphones 2. Comfortable, Fully-adjustable Design Fits All Shapes And Sizes Of Action Camera. The Length Of The Strap Can Be Adjusted To A Suitable Size For You 3. Easy To Use: With A Lock Buckle, The Rope Is Extendable, Easy To Mount, No Tools Needed. 4. The Chest Strap Mount Is Made Of High Elastic Material, Fit Any Body, Even Strong Man. It Provides A Way To Run Around And Be Hands Free At First Person Iew. Suitable For Mountain Biking, Skiing, Snowboarding, Motocross, Paddle Sports, Cliff Diving Wake Boarding And Other Action Sports. 5. The Neck Holder Is Made Of High Quality Material, Comfort To Wear; And Offers The First Person Perspective Shoot For Player, It Would Show Actually Picture And Video What You Saw. 6. Application: The Chest Harness Strap Belt And J-hook Buckle Helps Your Camera To Have A Shooting And Recording Steadily On The Chest. Used In Parachuting Bicycle Riding, Swimming, Diving, Skating And Various Ball Games, Camping ,sailing ,races, And Other Activities Other Outdoor Sports