SG Universal 3d Display Screen 2311 Screen Expander Phone

New HD optical technology in mobile phone screen can be magnified 3 times, picture clear and vivid, dynamic feeling stronger! The item simple, elegant, light weight, small size and easy to carry, suitable for use in various occasions -- ndoor, camping, journey, leisure etc. Use HD amplification optical technology,no power-driven, no-cost, energy-saving and environmental protection. Simple, compact, and suitable for all kinds of mobile phone. Use as a traditional magnifier, magnify its large area, more suitable for the elderly read books, read newspapers, read the news online. Reduce the eyes fatigue when you watch videos on the phone.