Product DescriptionFeatures:This Sjcam Head Strap Mount is Compatible with ALL Xiaomi yi camera SJ4000 SJ5000 SJ6000 SJCAM, and HD HERO Original CamerasOne Size Fits All adjustable head strap mount allows for use on head and helmetsThe Head Mount comes equipped with two adjustable levers for easy adjusting of strap lengths.Made with heavy duty, high quality elastic it is sure to endure anything thrown at it.Description:Condition:100% brand newMade with Nylon Straps and Polycarbonate buckleswith a black nylon bag.Width: 500mm-600mm, Height: 170mm-290mmNOT recommended for high-impact sports. Only recommended for non-impact activities.Package included:One piece Black Elastic Head Strap mount(Camera&thumb knob Not Included)