Portable USB Milk Water Warmer Keep milk at the right temperature wherever you are with a compact, reliable warmer designed for bottles. Precise temperature control, a longlasting builtin battery, and an adjustable strap make this unit practical for travel, car journeys, and daily use at home. Key benefits Accurate, consistent heating: Spring temperature control creates a snug contact with the bottle for more accurate temperature sensing and stable warmhold performance. Long, steady power: Builtin 6000 mAh lithium battery (two 3000 mAh cells in parallel) provides sustained heat and stable temperature control for extended periods. Flexible compatibility: Adjustable strap fits a wide range of bottle diameters and shapes up to 6.5 cm in diameter. Easy to use on the go: USB charging and car power support (5 V 2 A) let you power the warmer from common chargers while traveling. Custom temperature settings: Six selectable temperatures let you set the warmer from 37 C to 55 C to match different needs. Features and performance Item type: USB Milk Water Warmer Temperature settings: 6 options 37 C, 40 C, 42 C, 45 C, 50 C, 55 C Heating speed: Reaches target temperature in about 30 minutes, depending on initial bottle temperature and volume Heat and hold: Maintains temperature for 2 to 3 hours Battery: Builtin 6000 mAh lithium battery ( installed); charges via USB in about 6 hours Car compatibility: Accepts 5 V 2 A input for use with car chargers Material and size: ABS construction, weight 302 g / 10.65 oz Bottle compatibility: Adjustable strap fits bottles with diameter up to 6.5 cm and adapts to different shapes What is included 1 x Milk Warmer 1 x Instructions 1 x Data Cable Practical use scenarios Road trips and travel: Plug into a car charger to warm and maintain bottle temperature while on the move. Visits and outings: Use the builtin battery to heat and hold milk for 2 to 3 hours when a power outlet is not available. Home and daycare: Set one of six temperature options to match your routine and keep bottles ready for feeding. Why choose this warmer This warmer combines precise spring temperature control with a capacity builtin battery and a flexible strap to fit many bottle types. It offers straightforward USB charging and car power compatibility for convenience during travel, plus multiple temperature settings to match typical feeding needs.