USB cooler and warmer

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Great quality and competitive price

1) Keep tea/drink warm at 50-60°C and cool at 8°C2) Switch button to change to warm/chill, with LED indicator;3)Turns yellow when cold, be red when warm. 4) Internal size to put in the can is: dia.70mm, High 140mm5) Ion polishing technology is introduced to metal plate, fully improve interface, add well isolating material, enhance cool and warm effct. 6) Color:red/black

USB cooler and warmer (PM-UC-616)