【Baby's Intimate Helper】: This baby milk warmer is made of ABS material. Constant-temp mode can keep the preset temperature for up to 24 hours, perfectly soothing hunger and crying baby. Don't worry about overheating at night. It will automatically stop heating when the milk is at a setting temperature, protecting the breastmilk from losing nutrition. (Unlike traditional warmers that heats breastmilk with steam heat, causing OVERHEAT easily and destroying breastmilk proteins)<br>【6000mAh Built-in Battery】: 6000 mAh large-capacity power battery is equipped in the portable bottle warmer to form a surging power battery, which makes the heat of the milk warmer more stable and more lasting constant temperature. Charging fully needs only 6 hours and using constantly for 3 hours<br>【6-speed Temperature】: The baby bottle warmer use precise temperature sensor, easy-to-use ON/OFF button to set 37℃~55℃( 98°F ~131°F) showings on LCD screen. 6-speed temperature control for your breastmilk and milk warmer for baby. The package will come with a 5V-2A USB cord, which can be used by mobile phone appliances, mobile power supply for power charging,very convenient for travel, outdoor, hotel and home whenever and wherever possible<br>【Kindly Reminding】: Please make sure that the bottom of milk bottle fits up the base temp-control head spring, otherwise the thermostat will not monitor the baby bottle temperature, causing it too high. Please ensure the temperature is appropriate before feeding. It takes about 10 minutes to heat 250ml of water from 30°C to 38°C. NOT for fast heating cold milk from refrigerator<br>【Water-free Heating】: Using our portable bottle warmer for breastmilk, you will never worry about milk leakage or overheating. It is a revolutionary way to instantly warm breast milk. No need to add water, the baby bottle warmer can warm breastmilk or milk by with heat transfer. Portable USB charging makes brewing formula anytime and anywhere. Great choice for travel, car, on the go. This is a portable bottle warmer for breastmilk