Mug Warmer USB Electric Heating Cooling Coaster Cup Mat Intelligent Cup Warmer for Home Office Use

Description

USB Charging Cable: With USB cable, dual purpose cooling and heating, fast cooling, constant temperature heating. Unique Design: The built-in semiconductor cooling chip consumes less energy, and the cooling effect can quickly reach the freezing point. It can be applied to most cups on the market, and supports ceramic, glass, metal and other materials. Tempered glass, waterproof design, fast heat conduction, and safety protection against leakage. Easy to Operate: Intelligent touch switch, temperature changes are clear at a glance, rapid cooling and heating, high sensitivity, and easy operation.