I purchased this new, but I mistakenly bought it instead of the Insta360 X4 and X4 Air I already have, so I'm selling it at a reduced price. I purchased it on December 19th for 5900 yen. I opened the package, but it's new. Insta360 Insta360 X4 Air Premium Lens Guard CINSBAFJ ・Made of sturdy tempered glass, protecting the X4 Air from impacts and scratches even during intense movements. ・Multi-coated glass provides clear and sharp image quality. ・The X4 Air automatically detects the lens guard and switches to the appropriate mode. ・Simple twist-lock mechanism allows for easy installation and removal. ■Premium Lens Guard Clear images with a strong lens guard ■Suitable for off-road use Made of 10H tempered glass*, it withstands impacts and scratches, keeping the lens safe, so you can focus on the action. *Note: Glass strength is based on laboratory testing. ■Clear Creativity Multi-coating is applied to maximize light transmission and image quality. ■Focus on shooting rather than camera operation The X4 Air automatically detects the lens guard and switches modes. Ready to shoot immediately without preparation. ■Seamless Stitching Works with the stitching algorithm to create seamless, smooth 360-degree panoramic images. ■Add a twist Easy to install and remove with a twist action. No tools, no hassle, no worries. *The premium lens guard is not waterproof. Do not use it when wet or on rainy days. ■Returns are not accepted after opening. Please confirm the compatible models before ordering. ≪About Insta360 Product Support≫ ■For inquiries and repairs, please contact the following directly: Insta360 Manufacturer Support Desk E-mail: service.jp@insta360.com *Please provide the product name, serial number, purchase date, and details of the problem, and the manufacturer will assess the issue. Specifications ●Weight: 4g ●Size: 32.7 x 33.4 x 11.5mm ●Material: Glass