Compatibility:- Compatible With All Smart Phones + Gopro hero 12/11/10/9/8/7/6/5/4/3 ,Insta 360, DJI OSMO ACTION 3 & 4, SJCAM , Yi and other Action Cameras.- Used For:- During filming mountain hiking,cycling, skiing, snowboarding, snorkeling, X-Game and other Outdoor Sports.- Well Adjustable and fit to wide range body size.- 1 Month Replacement warranty incase of manufacturing defects