Built-in double lens can be used to take two images at front and back at the same time. Freely take camera choice, 3 modes: camera A, camera B, camera A+B Ultra small volume; the front lens with ultra wide angle of 140 degree can be rotated up and down 20 degree; the back lens with ultra wide-angle of 120 degree high resolution; this perfect modular design is more convenient for various angle and high resolution […]