USB Gadget Cartoon Printed Insulation Electric Warmer Silicone Mat (9.5x9.5x0.5cm, Blue)

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1 connect the usb cable to the computer or 5v charger switch interface, coasters begin to generate heat. 2 the need for thermal insulation on the silica glass coasters, then it can play the role of insulation.

Country of Origin: India

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