Product Selling Point: 1.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. 2.This chest mount kit with a 360 degree Phone holder,so it is suitable for smart Phone and action cameras.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. 3.You can Free Your Hands ! Easy to make Filming/POV/Vlog. 4.Here 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. 5.5As a phone chest strap mount, it can hold 4 """"- 7.4"""" smart phones firmly, compatible with iPhone,for compatible with Samsung, for Google,for etc As a action camera chest harness bracket, it's compatible with for GoPro Hero 9,8,7,6,5,4,3,3+,max,Session,Fusion and for DJI OSMO, for Insta360 One R,AKASO, SJCAM etc""" 6.Suitable for mountain biking, skiing, snowboarding, motocross, paddle sports, cliff diving wake boarding and other action sports,not intended for running or high-impact activities. Product Specification: Product Name:Cellphone strap holder Materials:PC,nylon,abs,stainless steel Size:as shown Color:Black Weight:210g Package include: 1 x Phone chest strap mount 1xS adpater 1 x J-hook 1xUniversal phone holder 1xLong screw 1xMini Wrench Note: 1.Please Allow 1-2cm Differences Due To Manual Measurement. 2.due To The Light And Screen Difference,The Item Is Color May Be Slightly Different From The Pictures. Service Guarantee: If you have any questions about our products, please feel free to contact us, we will provide you with quality services and the best solutions. Adjustable chest mount allows for horizontal and vertical phone placement Features a J-Hook and long screw design for 90° phone rotation Strap size is easily adjustable to fit over large winter jackets and a wide range of body sizes 360° rotation phone holder suitable for smartphones and action cameras Quick installation and removal of your phone with the J-Hook, disassembling in just one second