- High-Quality Construction : Crafted with precision HD optical lens material, this screen magnifying glass features an environmentally friendly wooden frame. Its adjustable angles allow for versatile viewing, providing a comfortable 3D visual experience from a distance. - Generous Display Size : Measuring 21 inches, this universal screen magnifier is designed for use with laptops, tablets, and mobile phones. Its overall dimensions are 19.6 x 14.3 inches (50 x 36.5 cm), making it an ideal choice for various devices. - Universal Compatibility : Utilizing advanced HD zoom optical technology, this screen enlarger seamlessly works with laptops, tablets, and smartphones, enhancing your viewing experience across all your devices. - Eye Protection : Increase your screen size by 3 to 4 times, thanks to the HD acrylic fresnel lens material. This feature not only improves image clarity but also alleviates discomfort and visual fatigue from prolonged focus on smaller screens. - Practical Applications : - Perfect for watching movies or shows on your phone or tablet without straining your eyes. - Ideal for reading e-books or documents, enhancing readability while reducing eye strain. - Great for presentations or gaming, allowing for a more immersive experience without the need to huddle close to small screens. With its combination of functionality, portability, and eye-saving benefits, this screen magnifying glass is a smart investment for anyone seeking a better viewing experience on their devices.