4 Interchangeable Lenses: 10X, 15X, 20X, and 25X magnifications allow quick lens changes to meet various work requirements. The portable design makes this illuminated magnifying glass compact and lightweight for easy transport. Ideal for detailed tasks such as jewelry making, fine painting, watch repair, coin collecting, and needlework. Detachable Bracket and Headband: This hands-free LED magnifier features interchangeable bracket and headband options, helping prevent slippage and providing added comfort to reduce user fatigue. Fully Adjustable Design: The eye magnifier loupe rotates 180 degrees up and down, and the light angle can be adjusted left and right to ensure precise illumination. Recommended for Single-Eye Use: The focal length ranges from 0.5 to 6.2 inches. For optimal focus, it is recommended to use one eye at a time, as simultaneous use with both eyes may result in loss of focus. Specifications: - Material: ABS + Optical Lens - Lens Magnifications: 10X, 15X, 20X, 25X - Field of View: 1.4" (10X); 1.3" (15X); 0.7" (20X); 0.5" (25X) - LED Quantity: 2 - Product Dimensions (L x W x H): 19 x 14 x 6 cm / 7.48 x 5.51 x 2.36 inches - Headband Length: 38 cm / 14.9 inches Package Includes: 1 x Magnifying Glass 4 x Interchangeable Lenses (10X, 15X, 20X, 25X) 1 x Elastic Headband 1 x User Manual