USB powered heating and cooling coaster smart creative hot and cold coaster black Intelligent Cup Warmer for Home Office Use

Description

EASY TO OPERATE：Intelligent touch switch, temperature changes are clear at a glance, rapid cooling and heating, high sensitivity, and easy operation. SOPHISTICATED DESIGN：Tempered glass, waterproof design, fast heat conduction, and safety protection against leakage. LOW ENERGY CONSUMPTION：The built‑in semiconductor cooling chip consumes less energy, and the cooling effect can quickly reach the freezing point. APPLY TO：It can be applied to most cups on the market, and supports ceramic, glass, metal and other materials. ADVANTAGE：With USB cable, dual-purpose cooling and heating, fast cooling, constant temperature heating.