Feature: 1. 360° Rotatable Ball Base: Shoulder strap backpack base adopts 360° rotating base, which can not only rotate 360°, but also can be fine tuned horizontally to correct the angle of the camera. 2. Hook and Loop Design: The shoulder strap is designed with hook and loop, and the adjustable shoulder strap is suitable for different sizes of shoulder straps, providing more possibilities of use. 3. Expandable Backpack Fixing Mount: Quick release backpack camera mount can be connected to the backpack fixing bracket and transfer the mini selfie stick at the same time. 4. Comfortable To Wear: Backpack mount shoulder strap is made of elastic nylon which is very soft and comfortable to wear. Ergonomically designed, the weight is evenly distributed through the shoulder pads. 5. Portable Design: Ball base shoulder strap mount is perfect for hiking, skiing, mountaineering, biking or other outdoor sports activities, completely hands free for great shots. Specification: Item Type: Backpack Shoulder Strap Mount Material: Aluminum Alloy, Nylon, ABS Applicability: For Hero 10 9 and Other Action Cameras. Package List: 1 x Strap Mount1 x Ball Head Base1 x Screw