JoyJolt Javaah Double Walled Espresso Glasses Espresso Cups (Set of 4)- 2-Ounces auspowers_batchfive it will generate 300-350mA electricity

it will generate 300-350mA electricity to charge build-in rechargeable battery

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JoyJolt Javaah Double Walled Espresso Glasses Espresso Cups (Set of 4)- 2-Ounces auspowers_batchfive it will generate 300-350mA electricityJoyJolt Javaah Double Walled Espresso Glasses Espresso Cups (Set of 4) 2 Ounces Product Features A BEAUTIFUL WAY TO ENJOY ESPRESSO GLASS. Make your next coffee break something special. As you pick up your new double walled espresso mugs, indulge in the elegant way the coffee appears to float inside. Notice how it feels cool to the touch? Your espresso will stay piping hot for longer, so you can sit back and relax, taking your time to enjoy the rich