SNANSHI 2-in-1 accessories kit for Gopro Hero4 Hero HD 3+ 3 2 1 Camera Head Belt Strap Mount and Chest Belt Strap Mount The Accessories Kit suitable for Gopro HD Hero 4/3+/3/2/1 Camera Kit included:1x Head Belt Strap Mount;1x Chest Belt Strap Mount; 1x 3-way Pivot Arm Assembly Extension Head Belt Strap Mount :The adjustable head strap is compatible with all sizes GoPro cameras. It allows you to use the Gopro camera on head or helmet to record those before you Chest Belt Strap Mount + 3-way Pivot Arm Assembly Extension:It helps your Gopro camera to have a shooting and recording steadily on the chest. Used in Parachuting bicycle riding, swimming, diving, skating and other ourdoor sports