Precise and Fast Heat: This portable milk bottle warmer features an imported temperature sensor chip for accurate heating performance. When used with a 5V 2A adapter, it takes approximately 20 minutes to heat 150ml of water from 30°C to 40°C. Temperature Adjustment: Equipped with an LCD screen, this bottle warmer allows real-time temperature monitoring and can be adjusted between 38°C and 55°C. USB Port: Designed with a USB port for compatibility with various power sources, offering a lightweight and safe heating solution. Versatile Use: Suitable for multiple environments including travel, car, or airplane use, providing convenience and comfort. Reliable Materials: Constructed with high-quality, waterproof materials. The surface can be cleaned with a paper towel or soft cloth. Contains internal heating components—do not submerge in water or rinse directly. Item Type: USB Baby Bottle Warmer Material: Waterproof fiber cloth, composite heating pad Model: 001 Input Power: 5V 2A Bottle Diameter: Approx. 8cm / 3.1in Dimensions: Approx. 8 x 14cm / 3.1 x 5.5in Heating Method: Uniform surrounding heat Shape: Straight Package Includes: 1 x USB Baby Bottle Warmer, 1 x USB Data Cable