The Baby Brezza SuperFast Portable Bottle Warmer is the fastest, most advanced way to warm breastmilk, formula, water or a filled milk storage bag on the go. Now available in bold Black color. It's clinically proven to warm up to 67% faster than other portable warmers, including 8 oz in 3 minutes (from room temp to 98 degrees F). Its Advanced Sensor Technology safely and evenly warms milk and formula from top to bottom, protecting nutrients. No more adapters, leaks or turning bottles upside down! This rechargeable travel warmer warms up to eight 6 oz bottles (from room temp to 98 degrees F) on a full charge, and it easily fits in cupholders or bottle pockets in diaper bags and backpacks, cars and strollers. The interior stainless-steel cup holds 9 oz of liquid or a filled 6 oz milk storage bag, and the dishwasher safe lid features a 360 degrees pour spout. Choose from 4 warming temperatures: 80 degrees F, 98 degrees F, 99 degrees F, or 103 degrees F. Includes USB-C charging cable. Full charging time is 3-5 hours depending on power adapter (not included). Use 20W charging block for fastest charging. Charges in 3 hours with 18W charging block & 5 hours with 10W charging block. 1 year limited warranty