Water Powered Calculator (EB-61892) Size: 109*76*26mm Material: ABS & Aluminum Don't need batteries or electricity Converts ions in the water into energy power.
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XIAMEN EBEI IMPORT & EXPORT CO., LTD.VIP会员第13年
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Water Powered Calculator (EB-61892) Size: 109*76*26mm Material: ABS & Aluminum Don't need batteries or electricity Converts ions in the water into energy power.