Jrifedptry 10 Inch 3D Screen Amplifier,Portable Eye Protection HD Video Stand Bracket for Travel Black

2.The product has a simple and elegant design, is , and has a small size that can be carried around, making it suitable for use in various occasions; Indoor, camping, , , etc. The product structure adopts many technologies, simple and compact, and can be suitable for various types of mobile phones. 1.The use of French Fresnel high-definition optical technology can enlarge the image in the phone by three times, with clear and realistic images and stronger dynamic feeling. 3.Adopting high-definition amplification optical technology, no need for power drive, no usage cost, energy-saving and environmentally friendly. 4.Especially when watching 3D mobile , the stereoscopic effect is even stronger! It can also be used as a traditional magnifying glass because of its large magnification area, making it more suitable for middle-aged and elderly people to read books, newspapers, and read news online. 5.Avoid strong light exposure and maintain a distance of 1.5-2 meters for viewing. The effect is better when used at night.