UV-Indicating Cellphone Charm

Have sensitive skin? Then hook up one of these UV bead cellphone charms to your phone and always be aware of how much UV light you’re getting. The beads start out white, but change as they suck in the radiation.

You can buy different amounts of beads depending on your needs—but get enough and you can have a Japanese Mardis Gras anywhere. Politely asking women to take off their tops is how they do it. – Jason Chen

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