$25 quick-heating bottles for trips with glass bottle rechargeable bottle heater while traveling with accurate temperature control for breast milk, formula Fast heating and precise temperature control: this ingenious device can heat 4 ounces of milk to 98 °F in just 2 minutes. It offers five temperature settings regularly adjustable (98 °F, 104 °F, 110 °F, 113 °F, 122 °F) thanks to advanced uniform heating technology and external temperature detection probes for accurate control. You can effortlessly achieve the perfect milk temperature for your baby