Features:-Made of high-quality materials including food-grade PP, 304 stainless steel and ABS for maximum safety and durability.-With 4 temperature settings, you can choose between 37°C, 40°C, 45°C and 50°C to achieve your ideal temperature.-Equipped with 6 different adapters to accommodate all common baby bottles.-With built-in rechargeable 8800mAh battery, you can use it anywhere without relying on a power socket.-With a fast preheating function, it heats milk to 40°C in just 3 minutes.Specification:Material: food-grade PP+304 stainless steel+ABSBattery capacity: 8800mAhTemperature range: 37°C/40°C/45°C/50°CSize: 10.9*7.8*7.8cmAdapter size: 53mm, 56mm, 35mm, 50mm, 60mm, 65mm Package Included:1x Bottle warmer6x Adapt.