GoPro Head Strap + QuickClip (GoPro Official Mount) Head Strap is fully adjustable to fit all sizes Head Strap can be worn over a helmet or directly on your head in a headlamp-like position QuickClip allows you to attach your GoPro to a backwards baseball cap or other 3mm to 10mm thick object QuickClip enables ultra compact, low-profile mounting Compatibility: HERO6 Black, HERO5 Black, HERO5 Session, HERO Session, HERO4 Black, HERO4 Silver, HERO+ LCD, HERO+, HERO