- Dual cooling and heating function: This 4L mini fridge can cool in warm conditions and heat in cold conditions. Cooling can achieve about 20 C cooler than ambient, helping keep drinks cold, fruit and vegetables fresh, and breast milk fresh. In winter, heating can reach up to 65 C to provide warmth for preservation. - 4L capacity and compact dimensions: External size is height 20 cm, width 13 cm, depth 13 cm. It can hold 6 bottles of 330 ml for normal drinks, or 4 bottles of 420 ml such as mineral water or beer. Do not install additional storage compartments for the above drinks, otherwise the refrigerator door will not close. In addition to cooling and keeping fresh, it can store face masks, cosmetics, medical accessories, and more. - Flexible two-layer design: Made with safe materials and strong toughness. Depending on actual storage needs, layers can be disassembled and reassembled as desired for convenient placement. - Energy efficiency and low noise: Low energy consumption with an A+ rated efficiency and only 102 kWh per year, making it among the lowest in its class, while maintaining quiet operation. - Storage versatility: Besides beverages, suitable for keeping cosmetics and small medical accessories, face masks, and other daily items. - Practical use scenarios: - In a bedroom or nursery: keep breast milk fresh, chill baby drinks, or store cosmetics and masks for quick access. - In an office or dorm room: cool beverages for relief during the day and store skincare items or small medical supplies. - In the living room or kitchenette: provide convenient access to chilled drinks and organize small items like masks, creams, or meds. - Caution on door fit: Do not add extra compartments or shelves for the above drinks beyond the stated capacity, otherwise the refrigerator door may not close properly.