Effortless Heating: Keep your kid's milk at the perfect temperature effortlessly with our Bottle Warmer's automatic heat preservation. The unit stops heating once the desired temperature is reached and enters keep warm mode for up to 24 hours. Plus, the real-time display keeps you updated on milk temperature. Hassle-free Charging: Never run out of battery with our bottle warmer. Use it anytime, anywhere by simply plugging into power bank or car power source for easily heating kid milk outdoors. Effortless Maintenance: Our Bottle Warmer is made of durable PU material that provides excellent insulation for your kid's food. The leather case is also easy to clean: just use damp paper towel to gently wipe away any spills or stains. Portable Design: With its compact design, this bottle warmer is must-have for tired parents outdoors. Perfect for night feedings and travel, it provides effortless warmth that's lightweight and easy to carry. Adjustable Temperature: 26 fixed temperature levels: 40-47 low-range green light, 48-56 mid-range blue light, 57-65 high-range red light.