- Multifunctional Heating and Cooling: Enjoy the perfect temperature for your beverages year-round. Whether it’s a cozy cup of hot coffee in winter or a refreshing chilled drink in summer, this smart tumbler meets your needs seamlessly. - User-Friendly Digital Interface: Easily select your desired temperature with a simple touch on the intuitive screen. The bright LCD display ensures clear visibility, making adjustments straightforward. - Whisper-Quiet Operation: Operating at just around 40dB, this tumbler is designed for minimal noise, perfect for quiet settings like offices, libraries, or during travel, allowing you to enjoy your drink without distraction. - Adjustable Temperature Settings: Tailor your drinking experience with customizable temperature ranges. Keep beverages cool between 3° and 5° or warm them to your preference of 55° to 65°, ensuring every sip is just right. - Practical Use Scenarios: Perfect for the daily commuter needing a hot beverage on the way to work or the student studying late into the night with a cool drink by their side. Ideal for home, office, or travel use, this tumbler offers versatility and convenience. This smart tumbler combines functionality with ease of use, making it an essential addition for anyone who values their drink temperature. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.