Lovely Strawberry USB Tea Coffee Cup Mug Warmer Heater Pad for PC Laptop This clever device will keep your drink warm. Simply plug into your USB slot and your ready to go. Size: 11 * 13 * 1.5CM Warning: In order to avoid burns, please do not touch the thermal conductivity of the panel when The product is working (red light) Material: ABS + stainless steel + board