Zuosheng Insulated Cup Usb White Portable Fast Cooling Heating Insulation Smart Water Cup Stainless Steel Tumbler for Home Car PTFE (Non-stick) Tumbler  (0.33 L)

VERSATILE COLD AND WARM FUNCTIONALITY: Experience the convenience of a cup that handles both fast cooling and heating insulation for your daily beverages. Consuming only 15W of low power, it uses less than 0.4 kWh of electricity a day. SMART TEMPERATURE INDICATION: The red light signals a temperature of 45℃, ideal for continuous heat preservation, while the blue light indicates a quick cooling function, reaching as low as 8℃. CAR USB POWER SUPPLY: Enjoy the flexibility of cooling or heating your beverages on the go with the convenience of a car USB power supply. Compatible with various USB power sources for versatile usage. PORTABLE AND MINI DESIGN: Perfect for outdoor activities and travel, this cup is light, portable, and easy to carry in your bag. Its compact MINI design ensures effortless storage without taking up much space. WATER AND ELECTRICITY SEPARATION TECHNOLOGY: The detachable cup body ensures easy cleaning and usage. The water and electricity separation technology adds an extra layer of safety to your beverage experience.