Features: 100% brand new and high quality Increase the retractable design, which can extend 2.5 cm, and the vision is more comfortable. It can be switched with one button, no complicated locking switch steps are required. Sports camera, mobile phone hanging neck bracket, hang the camera on your chest, you can enjoy the best scenery at any time. Suitable for mobile phones with a width of 5.8-8.5 cm, which can be adjusted freely. Using ABS environmental protection material, the product is more durable and firmer, and its extensibility can reach 180. Package Includes: Package A/Package B (optional) Package A: 1x Collar 1x Long Screw 1x Short Screw 1x Adapter 1x Mobile Phone Holder Package B: 1x Collar 1x Long Screw 1x Short Screw 1x Adapter 1x Mobile Phone Holder 1x Vertical Shooting Adapter Specifications: Material: ABS Weight: 190g Packing Size: 26.2x19.5x3cm/10.31x7.67x1.18inch Type: Package A/Package B note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.