- Multifunctional 6-in-1 chest strap set: includes 1 x chest strap, 1 x J hook, 1 x thumb screw, 1 x adapter screw, 1 x phone clip and 1 x silicone mat; suitable for mounting sports cameras and smartphones. - Wide application: frees your hands for outdoor sports, extreme sports and underwater photography, such as cycling, running, climbing, diving and more; provides a camera angle from the eyepiece. - Adjustable chest strap: made of high quality polyester material, padded, elastic and breathable; suitable for a variety of body types; quick release design for easy and comfortable wear. - Rotating phone clip and silicone mat: adjustable length from 5.3/2.0 inches to 10 cm/3.9 inches; supports horizontal and vertical photography; with silicone mat to better fix the phone and prevent accidental drops.