This brand new USB cup warmer can keep your beverage at the optimum temperature for drinking. No battery, no drive, no complicated instruction for how to use, just plug it into a spare USB port on your computer and put your cup on this electronic coaster. Warm your body and your heart. Apple-shaped design and very portable. USB powered, no batteries needed. Red LED power indication light. Compatible with any computer with spare USB port. Several colors available (shipped randomly).
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