Conveniently Portable: Experience newfound dom with the Easy To Heat Baby Bottle Warmer. Designed to warm milk at your convenience and on-the-go, this revolutionary appliance is perfect for busy parents seeking ultimate convenience and ease for their little . USB Charging Convenience: Effortlessly warm your baby's bottle using power bank or USB interfaceideal for on-the-go parents, ensuring your baby's milk is always ready. 7 Temperatures Options: Effortlessly select from 7 temperatures (35, 40, 45, 50, 55, 60, 65), to achieve the perfect warmth for your baby's milk with adjustable settings. There is no built-in battery, no electricity, and it can only be used when connected to a power source. How to use: 1. Put the bottle into the insulation cover, adjust the Velcro according to the size of the bottle mouth, and connect the power source. 2. After connecting the power source, the power light will light up, the connection is normal, and the default temperature is 35 degrees. 3. Long press the + key to start temperature adjustment, a total of 7 gears can be adjusted (35, 40, 45, 50, 55, 60, 65) 4. After selecting the gear, the display will jump to the current temperature to start working. 5. After reaching the preset temperature, the temperature display will show the preset temperature and enter the insulation mode. Warm Tips: 1. When the temperature is lower than the set temperature, it is in the heating state, and the display will change according to the current temperature Change value. 2. When the temperature reaches the set temperature, the heating ends and enters the insulation state. The display shows the set insulation temperature. 3. When the temperature is higher than the set temperature, the display shows the real-time monitoring temperature. 4. It is recommended to use this product in an environment of 0~40. The lower the ambient temperature, the longer the heating time. 5. Low-temperature heating is limited by power size and cannot be achieved in the current state. 6. It takes about 20-30 minutes to heat 200ml of water from 25 to 45. 7. The heating time is long. It is recommended to heat in advance or use it for insulation. 8. The minimum diameter of the bottle shall not be less than 50mm, and the maximum diameter shall not be greater than 80mm.