A. I am a chest-mounted shooting strap for action cameras and also a mobile phone holder for outdoor cycling live broadcasts. It has strong adaptability and is suitable for general models. B. My material combines plastic and elastic bands, and the quality is good. The plastic part is sturdy and durable, which can effectively fix the device and prevent it from shaking or falling during exercise. The elastic band part has good elasticity, is comfortable and fitting to wear, and will not cause too much restraint on the body, allowing you to enjoy sports to the fullest. C. My product size is universal, suitable for people of various body types and can meet the needs of different users. D. I offer a variety of packaging specifications, including 5-piece chest strap set B + English manual, 5-piece chest strap set B + English manual (boxed), 5-piece chest strap set B + anti-shake rope, 6-piece chest strap set with mesh, 5-piece chest strap set B + wrench, 3-piece chest strap set, 5-piece chest strap set, chest strap anti-shake rope, vertical and horizontal shooting chest strap, 4-piece chest strap set, single chest strap, 3-piece chest strap set + cloth bag, 4-piece chest strap set B, etc., which can meet your different usage scenarios and needs. E. Using me can achieve first-person perspective shooting. Whether in outdoor cycling, live broadcasts or other scenarios, it can bring a unique shooting experience. In addition, I support drop shipping, the after-sales service enjoys the in-store three - package policy, and invoices can also be provided. The packaging list is shown in the picture. My sales scope is wide, covering regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia and the Middle East. I have an authorized self - owned brand. Choosing me means choosing suitable shooting accessories.