Feature: 1. Intelligent Control: This cold compress device can automatically control the cold compress work countdown time, effective reminder to observe the cooling effect. 2. Fast Cooling: The cold compress device use of semiconductor digital cooling technology, rapid cooling, touch the temperature plus or minus key, adjust the appropriate working temperature, comfortable 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 fasten the bandage above the hook and loop fasteners. 4. Thoughtful design: This cold compress device has ergonomic design, using skin friendly SMS non woven water bag, more closely fit the baby's forehead. 5. Suitable for Applications: This cold compress device has a wide range of applications, such as students sleepy reading, no state of work, overtime, driving fatigue, can help refresh the brain, cool down the Department. Specification: Item Type: Baby Cold Compress DeviceMaterial: SMS non woven Built in battery: Lithium ion battery 1100mAH (shipped with built in battery) Use of ambient temperature: 10℃ ~ 35℃ Temperature adjustment range: 16℃ ~ 25℃. Package List: 1 x Baby Cold Compress Device1 x USB Cable