1. Suitable for most action cameras and mobile phones on the market. 2. The silicone collar is designed to fit the neck more closely, ensuring comfortable long - term wear. 3. The closed - type design makes it relatively stable and less likely to fall off. 4. It can be adjusted according to the necks of different people. 5. It makes video shooting easier. Applicable scenarios include hiking, rock climbing, surfing, cycling, skydiving, etc. 6. Type: Supports both horizontal and vertical shooting. 7. Angle adjustment: POV perspective. 8. Color: Black - grey. 9. Material: ABS + silicone + stainless steel. 10. Dimensions: Approximately 27 x 19 x 3.4 cm (a measurement error of +/- 1 - 3 cm is allowed). 11. Packaging contents: - 1 neck strap holder - 1 long screw - 1 instruction manual in both Chinese and English Note that only the above packaging contents are included, and no other products are provided. Also, light reflection and different monitors may cause slight differences between the color of the item in the picture and the actual product.