Features:1. Made of high-quality microfiber PU material, which is safe and non-toxic.2. The packaging is convenient and firm, not easy to fall off. 3. Can be applied to a variety of materials, such as water cups, mineral water bottles, milk boxes and so on.4. Support power bank charging , USB powered, car charging.5. Intelligent temperature control design, convenient to use.6. 24-hour insulation when plug in, four-layer to lock temperature.7. The strap is portable and can be hung on the crib.8. The hook&loop is soft and skin-friendly.10. Foldable, convenient to store.Specification:Material: Microfiber PU + Heating film + USB CableOptional Color: Pink, BlueSize: Approx. 12.5 * 7.5 * 7.5cm / 4.9 * 4.9 * 3.0inInner Diameter: 55-70mm / 2.2-2.8inPower: 5V~2AFrequency: 50HzPower: 10WWeight: 300g / 10.6ozRed beard flash: below 40C, the water temperature is not enoughGreen beard bright: 40~45C, suitable for milkingRed beard bright: 45 C or more should not suitable for milkingPackage list:1 * Milk Heater.Note:This product needs 5V 2A power supply ensures its normal use.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.