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Sanyo rechargeable pocket warmers

Japan Marketing News wrote aboutĀ kairo, the omnipresent disposable pocket warmers favored by so many Japanese during the cold winter months (Kairo keep Tokyo Warm). They’ve been a mainstay in Japan for decades. In retrospect, it’s amazing that somebody else hadn’t already thought of it, but in late 2006 Sanyo introduced a rechargeable kairo that employs… Keep Reading

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