Effortlessly warm your baby's bottle with the Baby Brezza Black Bottle Warmer. Designed for convenience and efficiency. Superfast Portable Bottle Warmer: MOST ADVANCED portable warmer to warm breastmilk or formula on the go SUPERFAST WARMING: Warms 8 oz. in as little as 3 minutes – 67% faster than other portable warmers. SAFELY & EVENLY WARMS BREASTMILK: Advanced sensor technology warms breastmilk and formula safely and evenly from top to bottom, protecting nutrients 4 WARMING TEMPERATURES: Choose from 4 temperatures (80°F, 98°F, 103°F for formula and water or 99°F for milk storage bags). RECHARGEABLE