Multi-function Phone Case
by Yining Wang
1. Card holder
1.1. at least three layers
2. Multi-camera lense
2.1. fish eye lens
2.2. Wide lens
2.3. lens with color filter
2.4. lens with angles and shapes
3. Selfie lighting
3.1. LED lights
4. Solar self-charging system
4.1. Cooling pad
4.2. Solar panel