1. Function: This product solves the problem that the camera phone can not photograph the distant view to make the long-range perspective clear like in the front of your eyes. And it has 8 times zooming and adjustable focus. 2. The original light path design, super large wide-angle, big current amount, high resolution and great color ability have improved the imaging quality of mobile phone. 3. Applications: Seeing a match, vocal concert, travelling, animal enthusiasts 4. The special black shell with fine workmanship and frosting touch feeling can be used as a protective cover solely. 5. Notes: This product puts more emphasis on the playing than actual efficacy. Please don't compare it with the special camera lens.