Features: 1.New upgrade! Adjustable finger ring bracket at the bottom, you can adjust different angles, avoid blind spots of vision, easy enjoy! 2.Use high definition optical technology to enlarge 2~4 times on the phone screen, the picture is clear, more dynamic! 3.The product is simple and easy to carry, light in weight, small in volume, suitable for indoor, camping, tourism, leisure and other places. 4.No power supply, energy saving and environmental protection. 5.Suitable for all kinds of smart mobile phones. 6.Adopt environmental friendly TPU + wood, safe and durable to use. Type: Mobile Video Screen Magnifier Materials: Eco-Friendly TPU + Wood Compatible: For all kinds of smart phones