Humoon&reg; Elastic Adjustable Head Harness Belt Strap Band Mount for Gopro Hero 1 / Hero 2 / Hero 3 / Hero 3+ / Hero 4 Camera Light weight,convenient for you to take with and capture immersive videos and pictures anywhere and anytime Compatible with Gopro Hero 1 / Hero 2 / Hero 3 / Hero 3+ /Hero 4 original camera, Adjustable and compact design fit for different requirements of the user Non-slippery design underlayer, keeping your camera on your head tightly Approx. Size: Head - 43cm - 60cm(unstretched), Weight: About 79g Fully Adjustable and elastic wide strap for size adjustment and comfortable carrying