Features: Closed halter, stable and not easy to fall off, mutiple angle adjustable, find the best angle that makes you comfortable. Unique point of view hanging neck designed to free your hands, you can easily record all the moment in life. Made of quality silicone material, soft and flexible, durable and wear resistant for long hours use, comfortable to wear. Suitable for most action cameras and mobile phones in the market such as for Hero 11 10 9 8 7 series /360 series/Pocket series and more. Multi-function, can be used in many scenarios, such as travelling, recording views while riding bicycles, live broadcasting while cooking and more. Specifications: Material: Silicone, Aluminum Tube, ABS Size: Approx. 25x18cm/9.84x7.08inch Type: G02, G021, G022(optional) Suitable Neck Circumference: about 30-45cm/11.8-17.7inch Applicable Model: for Hero 11 10 9 Series/360 Full Series/Pocket etc Action Cameras Note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 3 Packages Optional: Package 1 Includes: 1 Set Neck Holder Mount with Long Screw Package 2 Includes: 1 Set Neck Holder Mount with Long Screw, 1x Conversion Adapter, 1x Clamp Package 3 Includes: 1 Set Neck Holder Mount with Long Screw, 1x Conversion Adapter, 1x Clamp, 1x Short Adapter Mount, 1x Screw