2. It can make independent lighting as auxiliary lamp (need not connected to a smartphone or other device).

3. It can save the flaw that many existed phones which do not built-in flash for facetime camera. Give best selfie to you.
4. The beauty of simple. Tiny， ultra-thin and cool design for small devices. Can be easily carried in pocket or bag and shoot anywhere.
5. Best Photo/video uses， natural color tones， the right depth， and soft shadows. Taking photo is no longer an issue at night.