How to Use: 1. Adjust the tightness of the head strap. 2. Fix the camera/tripod adapter to the camera interface, screw the screw, adjust it to the desired direction, and then tighten the screw. Specification: Item Type: Camera Head Mount Material: Plastic + Elastic Band Color: As Picture Shown Application: for DJI Pocket 2, for DJI Action 2, for OSMO Action, for FIMI PALM 2, for FIMI PALM, for Hero 8, for Hero 9, for Hero 10 Gross Weight: Approx.106g/3.7oz Applicable Head Circumference: 44-80cm/17.3-31.5in Package List: 1 x Headband 1 x Adapter 1 x M5 Screw 1 x Manual 1 x Rubber Gasket