Silver Swan 7.5 inch 3x Screen Expander Phone

100% brand new and high quality, Compact size and lightweight, easy to carry, Adopt HD zoom optical technology, no battery needed , Zoom screen makes the phone screen 3 times bigger , Reduce the problems of watching small screen for long time that eyes will be very uncomfortable and harmful Great for elders to read newspaper in the watch the news on the Internet as a magnifying glass, Especially suitable for watching 3D movies and 3D effect is stronger , Material: Plastic + 3D Lens , Size: Approx. : 7.4*4.9 Inch, Weight: 150g, Color: Color of product will be provided as available in stock. How to use it: 1. Please avoid using in direct sunlight or strong light, avoid light cause is not clear, it will display better in the dark light environment. 2. Do not use hard wipe scratch the lens, when not in use, please use a soft cloth to protect the lens. 3. Adjust the distance from mobile phone frame to the lens and angle, adjust focal length, lens angle, in order to achieve the best view and optimal amplification effect and the best definition. 4. The best watch angle is vertical to the lens, a distance of 0.5 meters it the best watch distance. Because the lens is larger, the mirror slightly reflective phenomenon, please adjust the brightness of the light and the angle of the light. Package includes: 1 x Phone Screen Magnifying Glass HD Amplifier