- INSTANT COOLING: Experience efficient beverage cooling with our innovative cup cooler. Leveraging advanced ECT semiconductor technology, it quickly cools your drinks to a refreshing 10°C in just 15 minutes and maintains an optimal temperature range of 2.8°C to 7.8°C for up to 24 hours. - VERSATILE MINI COOLER: This compact beverage cooling cup doubles as a personal ice bucket and mini fridge. Perfect for use at home, the office, during outdoor activities, or at restaurants and bars, it eliminates the need for ice, ensuring your drinks stay perfectly chilled. - INTELLIGENT DESIGN: Our unique sunken design minimizes temperature loss by preventing cool air from escaping. This cooler is compatible with a wide variety of beverages, including cola, beer, wine, and canned drinks, enabling you to enjoy your favorites at the perfect temperature. - CONVENIENT SIZE: Measuring 7 x 12 x 16 cm, this portable cooler is designed for personal use. Its compact size makes it easy to store and transport, making it an ideal companion for your desk, bedside table, or outdoor excursions. - USE SCENARIOS: Take it along on camping trips to keep beverages cool without the hassle of ice. Use it at your home office for refreshing drinks during work hours, or keep it nearby at social gatherings to ensure that everyone's favorite drinks are served cold.