Waterproof shell: Waterproof shell is 40 meters waterproof, lens made of tempered glass, dust-proof, scratch-proof, high light transmittance. Chest band: Adjustable size chest strap! It is suitable for GOPRO for SJCAM for compatible with Xiaomi yi and other motion cameras. Different angles can be taken. Applied to skiing, cycling, rowing, etc. Headband: Head mounted (also mounted on helmet). Flexible and adjustable to suit various specifications. Headband compatible with all models for GOPRO, for compatible with Xiaomi yi and for SJCAM motion cameras. Wrist strap: The motion camera is fixed on the wrist to take pictures of the scene you want. The size is adjustable. Remote control wristband: The remote controller can be fixed to the wrist to capture the screen quickly and the size can be adjusted. Backpack clip: Fix for Gopro on a hat, backpack or belt and rotate 360. Wrench screw: More labor-saving, and convenient locking, so that the use of more convenient. Antifogging inserts: Inserted on both sides or back of the waterproof housing of the moving camera can effectively prevent fogging in cold and humid environment. J type base: It can be used for chest belt, accessories and adjusting shooting angle. Storage Bag: It can be used to tidy up small accessories and make your trip more convenient. Specification: Weight: 575 g Application: for DJI OSMO Action Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Waterproof Case 1 X Headband 1 X Chest Strap 1 X Wristband 2 X J Type Bases 1 X Fast Playing Base 1 X Remote Control Wristband 3 X Wrench Screws 1 X 360 Backpack Clip 12 X Anti-Fog Inserts 1 X Screw 1 X Storage Bag