This is the PRISMATE PR-F095 Fan Cooling Vest: an air conditioned vest that keeps you cool in the summer. It can go with anything as it has a light, lean design. It has two pockets and a zipper closure.
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PR-F095 PRISMATE（プリズメイト）ファン付きベストセット_ Life on Products
The fans are powered by a USB C battery. They offer 3 levels. This fan cooling vest weighs 400g.
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