Optimal Compatibility: Designed specifically for models 13, 12, 11, 10, and 9, this chest mount harness ensures a for your action camera, providing stable and high-quality footage during extreme activities. Adjustable Design: Featuring a fully adjustable strap system, this harness can be tailored to fit various body sizes comfortably, ensuring secure placement and ease of movement for all users. Construction: Crafted with high-quality materials, the harness is built to withstand rugged use in outdoor environments, making it ideal for sports like biking, hiking, skiing, and more. Easy Setup: The included J Hook fastener allows for quick and easy attachment and removal of your camera, facilitating hassle-free transitions between and locations. Color: Black Material: ABS Package Contents: 1 * mobile phone holder set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.