Feature: 1. EASY TO INSTALL: You just need to screw the bottle into the baby bottle warmer or with the appropriate adapter. With 2 bottle adapters, which can perfectly fit most bottles. 2. 4 TEMPERATURE SELECTION: Baby portable bottle warmer has 4 temperature settings 98℉, 104℉, 113℉ and 122℉. Easy to operate. Suggestion warm breast milk to 98℉, and formula milk to 104℉. 3. TRAVEL FRIENDLY: Baby brew portable bottle warmer makes your travel relax since our baby brew bottle warmer does not heated by soaking it in water, but directly heats the milk in the baby bottle. 4. 8800MAH BATTERY: Portable bottle warmer for breastmilk with a rechargeable design has a built in 8800mAh large capacity battery. It allows you to charge the portable travel bottle warmer anytime and anywhere. 5. FAST HEATING: The cordless travel bottle warmer for breastmilk heats 4oz to 98°F in just 3minutes and can continuous heating 38minutes about after fully charged. 6. LEAK PROOF MATERIAL: Made of food grade materials to ensure the safety of babies. The heater of portable milk warmer for baby is made of SUS316 stainless steel and splash proof silicone L sealing ring, durable for use. Specification: Item Type: Baby Bottle Warmer Material: Plastic Battery: Lithium battery 8800mAh (built in) Maximum Power: 45w Size: Approx. 109 x 81 x 81mm / 4.3 x 3.2 x 3.2in 4 Preset Precise Temperature Settings: 98℉(37℃) 104℉(40℃) 113℉(45℃) 122℉(50℃). Package List: 1 x Milk Warmer Host1 x Charging Cord2 x Adapted Interface1 x Instruction Manual1 x Seal Cover (On The Host)