Adjustable and compact design: allowing you wearing on head and helmets, and meeting different requirements of users.- Compatible With Gopro Hero 12 11 10 9 8 7 6 5 4 3+ 3 SJCAM YI EKEN H9R Noise Play DJI OSMO and Other Action cameras.- Securely hold the phone: The clamp is reinforced with a spring so that it will definitely stay in place to prevent the phone shaking by unsteady hands.- It is a glamours looking screw. It has a shiny layer which make it look new.- This portable tripod adapter can make for gopro original mounts work with other- Package Include: 1 x Head Strap Mount, 1 x Phone Holder, 1 x Long Thumb Screw, 1 x Tripod Mount Adapter