Features 1. Keep warm for 24 hours: Breast milk bottle warmer keeps bottles warm for 24 hours, feed your baby any-time, suitable for most bottles and baby food containers. 2. Quality insulation bag: The milk warmer adapts to 5 V voltage output power to achieve long-term insulation effect. Effective for different usage scenarios. This portable baby bottle warmer is made of PU for safety and heat retention. You need to carry a mobile power supply when you are on the go. 3. 3 Temperature settings: This portable bottle warmer has 3 temperature settings: 42 C, 46 C, 52 C, adjustable via the button. The temperature is displayed on an LCD display. 4. Wide range of applications: The outdoor baby bottle warmer is suitable for travel, trains, planes or cars, indoors or outdoors. Not recommended for direct heating, can be used for heating bottles, if direct heating, you need to use 2A power supply, otherwise the heating speed will be very slow. 5. Easy to clean: The portable bottle warmer for travel is made of PU material, you can easily clean the bottle warmer with a damp cloth. Specification Material: PU Color: Yellow, Blue, Orange Size: 10 x 9 cm Weight: 130 g Power input: 5 V/2 A, 7 V/ 3 A Package Include: 1 Baby Bottle Warmer 1 USB Charger