3in1 multifunctional smart cup: heats beverages to 60°C, cools to 0°C, and can automatically ferment yogurt at home. power performance: built with a specific thermoelectric chip and optimized air duct cooling technology to rapidly heat or cool your drink. Allaround use: ideal for hot milk at breakfast, a refreshing drink during work, or a beverage for family meals. Summer essential: keeps drinks cold on hot days so you enjoy a cold beverage when others are left with lukewarm liquids. Key benefits and features: Temperature control: precise heating to 60°C and quick cooling to 0°C for beverage temperature. Yogurt fermentation: automatic fermentation capability for homemade yogurt. Efficient cooling/heating: thermoelectric module plus optimized airflow for faster performance. Versatile scenarios: suitable for daily routines from morning to evening and family gatherings. Practical design: designed to provide convenient hot and cold beverage options in one device.