Feature: 1. Constant Temperature: 42°C circulating constant temperature heating can effectively maintain the nutrition of milk, and babies can drink milk while heating. 2. Adjustable Design: USB baby bottle warmer has a ring shaped design that can be adjusted to fit different types of bottles. Suitable for a variety of brands of milk bottle. 3. USB Cable: Equipped with USB cable, multiple power supply modes such as power plug, power bank, car charger, convenient for you to use in different places. 4. PU Leather: Baby bottle warmer sleeve adopts high quaity PU leather, safe and eco friendly, soft and skin friendly, wear resistant and durable. 5. Portable Design: Easy to store and carry, the baby bottle warmer is designed with a hand strap, you can hang it on a diaper bag, suitcase, belt or stroller armrest. Specification: Item Type: Baby Bottle Warmer Sleeve Material: PU Style: Suitable for Pigeon 240ML (constant temperature) Advantage: with temperature display function Suitable Bottle Brands: For Pigeon, for thyseed, for HEGEN, for Potato, NUK, for DrBrown's, etc.. Package List: 1 x Baby Bottle Warmer Sleeve1 x USB Cable