We have seen many foldable and compact solar chargers in the past. Carbon is different from most as you can wear it like a smartwatch. At the same time, it adds up to 3 hours of extra talk or web browsing to your smartphone battery. It is compatible with Android and iOS devices. It has a high tech solar cell, a multi-color LED and a charging indicator.
More items like this: here
Carbon has a safety strobe and mini flashlight. It can be charged via USB as well. It is getting funding on Kickstarter.
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