Intelligent Temperature Control: Use a 9V/10V/12V adapter for quick heating, reaching high temperatures within 10-15 minutes and then maintaining a constant temperature. Multi-layered safety structure to lock in temperature, keeping warm for extended periods. Wide Application: Designed for travel and breastfeeding. If you don't need to feed your baby urgently, you can choose a 5V/2A adapter, suitable for keeping warm or slow heating (about 30 minutes). Meets your various feeding needs. Reliable Safe Material: The bottle warmer is made of high-quality microfiber materials, non-toxic and odorless, baby-friendly. The size is approximately 310 x 115mm / 12.2 x 4.52 inches, suitable for most baby bottles, no need to worry about size mismatch. Cable Charging USB: The baby bottle warmer can be used with a portable power bank, charging outlet, car USB interface (not included). Lightweight and portable, convenient for outdoor carrying. Do not heat the empty bottle. Note: 1. Due to manual measurement, please allow a slight error. Please make sure you do not mind before bidding. 2. Please understand that the color may vary depending on the display. Note: Please pay close attention to your delivery address when purchasing products. If your recipient information (e.g., name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.