Sunnylife Remote Control Waist Support Bracket Chest Strap Features: 1. Free Your Hands & Enjoy Following Shot. The waist support mount can free your hands at outdoors, which helps catching the best view with your drone. 2. Taking-off on Hand & One-hand Operation 3. Angles Adjustable. You can adjust waist mount and controller to comfortable angles you like. 4. Foldable Design. It is convenient to remove controller and fold waist mount to the band during shooting gap. 5. The band can be cinched in place through 5 buckles from both horizontal and vertical dimensions to fit various figures. 6. Detachable Design. The elastic band is freely detachable for easy cleaning and replacement. Specifications: 1. Name: Sunnylife Waist Support Mount for Controller 2. Material: Elastic Band + Plastic 3. Model：ZJ773 ZJ774 4. Applicable models: For DJI RC 21 Or For DJI RC Pro 5. Net weight: 248g251g