Opened for inspection. Please note that the outer box may have stains or tears, but the contents are in good condition, so please rest assured. 【Comfortable to wear, even for long periods】This head strap features a high-elastic band: breathable but not stuffy, comfortable and soft. Velcro adjustment, adjustable length and size, suitable for head circumference 50-70cm. Thick sponge padding, soft inner material, fixed to prevent movement, and excellent breathability. Weighing only about 109g, it won't tire your neck even after wearing it for a long time, making it easy to carry around whether you're at home or on the go. Improved appearance design with front and back protection, more stability and durability, and removable for cleaning. Comfortable for long video recordings. 【Adjustable Viewing Angle】By tapping the rotating adjustment button on the top strap, you can switch between horizontal and vertical compositions by rotating 360 degrees. The forward and backward tilt angle reaches 180 degrees. You can easily switch the viewing angle without removing the device. 【Experience the fun of first-person perspective】Use both hands freely and shoot from a first-person perspective. Unlike other accessories, you can record and film easily with both hands free. Whether you're playing sports or shopping. Usable in various scenes and angles. Combining the head band and top strap, it can also be used for intense activities such as rock climbing and endurance sports. For activities such as fishing, cooking, and playing with children, the head band alone is comfortable to wear.