This is an MP3 player, yes an MP3 player. It is called ACORN (the fruit of the oak, a smooth oval nut in a rough cuplike base). It’s from Evergreen a Japanese company. This nut has 1GB of flash memory and support MP3, WMA and OGG files. It measures 28mm in diameter and 35mm tall. One more shot after the jump.

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[via Akihabaranews]