Shake To Charge Calculator Custom Imprinted - BRAVA Item: XUECD-ETYYQ
- 50 or more $5.17
- 100 or more $5.17
- 250 or more $5.17
- 500 or more $5.17
- 1000 or more $5.17
DescriptionThis calculator uses "Faraday's Principle of Electromagnetic Energy" to operate. A magnet moving by a copper wire produces an electric current that powers the calculator, no batteries required! Shake it left to right non-stop 20-25 times, and enough electricity is generated to operate the calculator for 10 minutes. When the digits on the LCD screen dim, just shake it a few more times to recharge, your calculations won't be lost. Ergonomic rubber grip and keys & large transparent display window. 3 1/4" W x 5 1/4" H x 3/4" D
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