Baby Bottle Warmer Universal Heating Sleeve USB Rechargeable Thermostat PPSU Bottle Feeder Heater | Thermos and Sterilizer Baby Bottle Warmer Universal Heating Sleeve USB Rechargeable Thermostat PPSU Bottle Feeder Heater Product Information 1. Product Specifications (Approx.): Suitable for 55- 75mm/2.17-2.95in 2. Power 5: V~2A Frequency 50H7 3. Power: 10W 4. Product Color: Blue 5. Product Material: Microfiber PU Heating Film USB Power Cord Features 1. Wide range of applications: convenient packaging And firm, not easy to slip. Product size fits most bottles on the market. 2. Applicable objects: It is suitable for heating of various materials, and can be used for water cups, mineral water bottles, milk boxes, etc. 3. Safe voltage and current: 5V-2A safe voltage. Commonly used in: cars, mobile power supplies, charging heads. 4. Intelligent constant temperature design: precise control of water temperature, easy to use and save trouble. 5. Convenient design: Convenient and intelligent constant temperature design, easy to grasp the water temperature. And the heating speed is fast and easy to use. Baby bottle insulation cover, USB charging power supply, constant temperature, good insulation effect, can also heat water cups, mineral water bottles, milk boxes, etc.