Head Strap1.Adjustable and compact design.2.Made of superior plastic and nylon.3.Specially designed for Xiaomi yi Action Camera GoPro HD Hero 1/2/3/3+， also for SJCAM SJ4000 5000.Chest Strap Mount Features:QUALITY IS 100% BRAND-NEW GUARANTEEDFit for gopro HD Hero 2 and Hero 3 Hero3+The Chest strap is fully adjustable to fit all sizes.Compatible with ALL HERO3+ ， HERO3， HERO2， and HD HERO Original Cameras， and xiaomi yi cameraPackage include :1*Adjustable Head Strap1*Chest Body Strap1*J-Hook Buckle Mount1*Adapter For Xiaomi Yi Camera1* Screw1*BagNotice: Not including Camera which shown in the picture!