. . . Characteristic: 1. Made from high-quality microfiber PU material, which is safe and non-toxic. 2. 3. Supports power bank charging, power supply via USB, car charging. 4. 5. 24-hour insulation when connected, four-layer to lock the temperature. Specification: . . . Features: 1. Made from high-quality microfiber PU material, which is safe and non-toxic. 2. The packaging is convenient and strong, not easy to fall off. 3. 4. Supports power bank charging, power supply via USB, car charging. 5. 6. 24-hour insulation when connected, four-layer to block the temperature. 7. The strap is portable and can be hung on the crib. 8. The Velcro closure is soft and skin-friendly. 10. Foldable, convenient for storage. . . . Specification: Material: PU microfiber heating film USB cable colour: blue Size: approx. 12,5 x 7,5 x 7,5 cm / 4,9 x 4,9 x 3,0 inch Inner diameter: 55-70 mm / 2,2-2,8 inch Power: 5V 2A Frequency: 50 Hz Power: 10 W Weight: 300 g / 10,6 oz Flash of red beard: below 40C water temperature is not enough Bright green beard: 4045C, suitable for milking Red beard light: 45C and above should not be suitable for milking List of packages: 1 x milk heater Note: This product requires a 5V 2A power supply, which ensures its normal use. . . .