offer USB warmer and cooler(blue)

Detailed Product Description

Function:

l it’s powed by USB port.

l It may keep your drink at ideal temperature

l It may keep your drink at about 60℃ when you put your cup at the working postion of device.(request the cup can transmit heat)

l It may keep at about 16℃for your drink that taken out from refrigerator.

l It’scompact and suitable for home or office

*Put the products in the steady place after taken it from the packing.

*Put the switch on warmer or cooler postion.

*Plug the Usb cable into PC USB port.

*put the cup on the working postion.

Now you may enjoy your life!