Feature: 1. Optical Glass Lens: The lens is made of high quality optical glass, with good light transmission performance and high definition. 2. Aluminum Alloy Filter Frame: The +1 +2 +4 +10 close up macro filter frame uses high quality aluminum alloy material, which is sturdy and durable. 3. 37mm Lens Phone Clip: Adopt 37mm lens phone clip design, strong clamping force, can be used to install any other 37mm aperture filter. 4. Close Up Lens Main Function: The close up lens is to allow the lens to focus on objects that are closer than usual to produce close up images, such as shooting flowers, insects, etc., to capture the wonderful microscopic world, allowing you to explore more beauty. 5. Close Up +1 +2 +4 +10: With 4 kinds of magnifications: close up +1, close up +2, close up +4, and close up +10. The close up lens can be installed on the phone clip to start using. You can also attach a small magnification close up lens to a large magnification filter for superimposition. Specification: Item Type: 37mm Close Up +1 +2 +4 +10 Close Up Macro FilterLens Diopter: +1, +2, +4, +10 Material: Plastic + Aluminum Alloy + Optical Glass Applicable Models: Different Brands of Mobile Phones Color: As Pictures Shown Weight: Approx. 37g / 1.3oz. Package List: 1 x Close up +1 Filter1 x Close up +2 Filter1 x Close up +4 Filter1 x Close up +10 Filter1 x 37mm Lens Clip1 x Storage Bag