F3 Mobile Phone Screen Enlarger

It uses the Latest HD Amplification & Optical Technology, No Power-Needed, No-Charging, Energy-Saving, Simply Plug-In your device and enjoy the 3x-5x magnified experience The product is modeling simple, elegant, light weight, small size and easy to carry, suitable for use in a variety of occasions - indoors, camping, road, leisure and so on RADIATION PROTECTION:-Reduce the problems of watching small screen for long time that eyes will be very uncomfortable and harmful UNIVERSAL - Works on all Smartphones up to 6 inches of diagonal screen size