1、PREMIUM MATERIALS: Portable bottle warmer is made of faux leather, hardware, silicone material, no irritating odor, even heat preservation, comfortable touch, can be used without worry. 2、ADJUSTABLE TEMPERATURE: The bottle warmer bag has intelligent 26 gears temperature adjustment, low gear (40‑47℃ green lamp), mid gear (48‑56℃ blue lamp), high gear (57‑65℃ red lamp), precise temperature control. 3、CONVENIENT TO USE: Milk warmer cover is compact and lightweight, easy to carry. Whether you are breastfeeding at night or going out, it can reduce the pressure on mom, which is fast and safe. 4、WIDE APPLICATION: Suitable for most bottles, can hold soy milk, drinks, coffee, water, milk, so you can have a hot drink anytime, anywhere when you are hiking, shopping, traveling. 5、GIFT OPTION: This USB milk warmer cover can be shared as a gift with friends, coworkers, relatives, family members who have newborns, so that your newborn can drink milk at the right temperature. 1 x Portable Bottle Warmer1 x USB Cable1 x User Manual1 x Lanyard Item Type: Portable Bottle WarmerMaterial: Faux Leather, Hardware, SiliconeSize: Height: Approx. 12cm / 4.7in, Diameter: Approx. 8cm / 3.1inTemperature Settings: 26 Gears (40-65℃)Low Gear (40-47℃ Green Lamp)Medium Gear (48-56℃ Blue Lamp)High Gear (57-65℃ Red Lamp)Gross Weight: Approx. 170g / 6oz