Welcome to the store! 1. Intelligent Control: This cold compress device can automatically control the countdown time of the cold compress work, effectively reminding you to observe the cooling effect. 2. Fast Cooling: The cold compress device uses digital semiconductor cooling technology, fast cooling, press the plus or minus button for temperature, adjust the appropriate working temperature, convenient and easy to use. 3. Adjustable Design: Wear the cold compress device in the central position of the forehead, adjust the bandage elasticity to the appropriate position, and fix the bandage above the Velcro fasteners. 4. Thoughtful Design: This cold compress device has an ergonomic design, using a skin-friendly SMS non-woven water bag, fitting the baby's forehead better. 5. Suitable for Applications: This cold compress device has a wide range of applications, such as students sleepy reading, no work, overtime, driving fatigue, can help refresh the brain, cool down the department. Item Type: Baby Cold Compress Device Material: SMS non woven Built-in battery: Lithium-ion battery 1100mAH (shipped with built-in battery) Ambient temperature use: 10℃ ~ 35℃ Temperature adjustment range: 16℃ ~ 25℃