Smartphone Chest Mount 1.Made with nylon straps and polycarbonate buckles. 2.Provide any activity where you want a more engaging, lower-than-the-helmet view of the action. 3.Quick release buckle design lets you get in and out easilly. Fully adjustable to fit a wide range of adult sizes. 4.Adjustable straps fit a wide range of bodies. Kids or adults with larger or smaller chests may experience difficulty with placement options. It’s easy! Use your smartphone as an action camera! This chest mount keeps your cell phone or action camera securely in place for smooth filming of everyday adventures. Specifications: Weight:265g Suit for:4-7inch phone Material:PC,nylon,abs,stainless steel Package included: 1 * Phone chest strap mount 1*S adpater 2 * J-hook 2*Long screw 1*Universal phone holder 1*Lanyard 1*Mini Wrench NOTE: 1.Not intended for running or high-impact activities. 2.Please use the mini wrench to tight the long screw enough,make sure the phone holder and J-hook buckle tight junction,the phone holder won't slide.please don't use your finger to twist it. See more?What will you get?Package included:1 x Phone chest strap mount,1*S adpater,2 x J-hook,2*Long screw,1*Universal phone holder,1*Lanyard,1*Mini Wrench;Any quality issue please contact us directly,we'll give you a replacement or a refund,you can buy it with confident. ?Usage Occasions?The phone chest mount suits for skiing,fishing,biking,motorcycle,Hands-Free for commentary on the video.we aren't suggest use it shooting video when jumping and running,When you turn on the “anti-shake” function of your phone, the effect of shooting video will be better. ?Great Choice for POV/VLOG?The phone can be placed horizontally and vertically,The design of J-Hook and long screw can make the phone rotate 90°, The size of this strap is easily adjustable,fit over even the largest winter jackets,fit to wide range body size. ?Quick Release?The smart phone chest strap mount with J-HOOK can be easily install and remove your phone,which can be disassembled in even one second. It is very convenient. ?Stable Structure?Smartphone Chest Mount are two non-slip rubber pads at the bottom and top of the phone holder;When you use the mini wrench provided to fasten the long screw to the J-hook mount,The mobile phone clip will be in accordance with your adjusted angle, stable shooting, will not slide.