VERSATILE TEMPERATURE SETTINGS: Choose from five heating levels (38°C to 50°C) to perfectly match your baby's preferences, ensuring milk or water is warmed to just the right temperature every time. LONG-LASTING BATTERY PERFORMANCE: Keep your baby’s meals warm for up to 9 hours with our powerful 4500mAh battery—ideal for day trips or long car journeys. USB-C charging ensures you can power up anywhere from your car, a power bank, or any standard outlet. UNIVERSAL COMPATIBILITY: Fits most bottle sizes ranging from 50mm to 80mm, accommodating both plastic and glass bottles, making it an essential tool for all parents. SAFETY FIRST DESIGN: Features a Safety Control button to prevent accidental activation, ensuring the device heats only when a bottle is inserted, safeguarding against unwanted power drain and enhancing overall safety. COMPACT AND PORTABLE: Engineered for ease of use on the go, this lightweight bottle warmer is easy to carry or attach to a stroller, ensuring warm meals are always within reach during outings.