Neck fan-type cooling device equipped with a -15℃ cooling function. Features multiple wind speed settings and a battery level indicator. Eliminates stuffiness and sweat on the back of the neck! Press the button and it cools down in as little as 3 seconds! Experience a new sensation of cooling, like a chilled can of juice on your back and neck. It is equipped with a thermoelectric module called a Peltier element. This is a wearable thermo device that can directly cool the surface of the body where it makes contact with the main unit. 'Coolness at your fingertips!' The powerful airflow and cooling plate thoroughly cool the back of your neck, enveloping it in a pleasant coolness. The wind speed can also be adjusted to 3 levels to your liking. Cooling also has 3 levels. *Recommended operating environment: External temperature below 35℃. The cooling mode cannot be operated independently. 'USB rechargeable, energy-saving, and long-lasting operation' The battery has a large capacity of 4000mAh. Continuous use time is about 10 hours on low mode, and about 6 hours even on high mode, supporting long hours of use. *Before use, please remove the protective seals from the cooling plate and the LCD screen. 'Specifications' Input voltage: DC 5V/2A ■ Size: 173*209*50mm ■ Rated power consumption: 10W ■ Battery capacity: 4000mAh ■ Cooling modes: 2 levels ■ Airflow modes: 3 levels 'Comfortable to wear!' The ergonomic design can be adjusted to fit snugly around your neck, so it can be used by people of various body types. The part that touches the neck is made of silicone material for hygiene. - Cooling function: -15℃ cooling function - Design: Neck fan type - Wind speed settings: Multiple wind speed settings available - Display: With battery level indicator - Material: Uses waterproof material Thank you for viewing.