- Multifunctional Heating and Cooling : This smart tumbler is designed for year-round use, keeping your coffee hot during winter while effortlessly chilling your drinks in summer. Enjoy the perfect temperature for all your favorite beverages. - User-Friendly Digital Interface : Adjust your drink temperature with ease using the intuitive touch screen interface. The bright LCD display ensures clear visibility, allowing for quick and precise temperature settings. - Whisper-Quiet Operation : Operating at approximately 40dB, this mug minimizes noise interference, making it perfect for quiet settings such as offices, libraries, or while traveling. - Customizable Temperature Control : Select your ideal drinking temperature with adjustable settings. Keep beverages cool between 3° and 5°, or warm them to a comfortable range of 55° to 65°, catering to all your beverage preferences. - Versatile Applications : Ideal for busy professionals who need their coffee hot on the go, or for students who enjoy a refreshing cold drink during study sessions. Perfect also for outdoor activities like camping or picnics, ensuring your drinks remain at your desired temperature. This smart tumbler combines functionality and convenience, making it a must-have for anyone who values drink temperature control.