High-quality bottle warmer bag: The portable baby bottle warmer is made of high-quality microfibre PU material. Thickened PU leather, high-density sponge layer, highly efficient heating film, dirt-repellent and dust-proof cloth, 4 layers with safe texture, lock the temperature, keep warm for a long time and the baby can use it safely.Precise temperature control: This USB bottle warmer has an intelligent temperature control system, and the temperature of 30-50 °C can be adjusted as desired to meet different temperature requirements. Portable baby bottle warmer with LCD display, real-time temperature display, precise temperature control, long-term and stable heat preservation.Portable USB charging: the portable baby bottle warmer has a practical USB interface that is compatible with a variety of power sources and can be used for mobile power supply, charging plugs and car USB ports. Whether travelling or undisturbed use, it is portable and safe, suitable for travel or outdoor use.Suitable for different bottles: The baby food warmer is equipped with Velcro fastener and hooks, the Velcro adjustable circumference fits most baby food bottles and containers. Due to its small size, it takes up very little space in your bag. You can always take it with you. The Velcro fastener is easy to carry and can be hung on a pram or cot. Easy to use indoors and outdoors.Suitable for most scenes: The portable baby bottle warmer feels soft and comfortable, is easy to clean, lightweight and compact, perfect for home, hiking, outdoor shopping, driving and travel etc., an ideal gift for young couples.