Product Name: sell color changing uv indicator + screen cleaner20081209
Price: USD0.12/PC US$
Detail: It is a mobile charm,but it is not a common one.Both of the sides have practical use.One side is a uv indicator.The color changes with uv light or sunshine outside.The stronger sunshine,the darker the color.So you can treat it as a uv detector according to the color.

The back side is a screen cleaner.It is made of velvet on the back side.It can be used to clean the screen of the mobile phone,the digital camera,and etc.