This newly designed neck fan provides comfortable airflow while cooling your back. "Eliminate stuffiness and sweat on your neck!" Press the button and it cools down in as little as 3 seconds! It's a new sensation, like a chilled can of juice on your back and neck. It's equipped with a thermoelectric module, also known as a Peltier element. This wearable thermo device directly cools the surface of the body where it makes contact. "Enjoy the coolness freely!" The powerful airflow and cooling plate effectively cool the back of your neck, enveloping it in a pleasant chill. The airflow can be adjusted to 3 levels of your preferred speed. Cooling also has 3 levels. *Recommended operating environment: Outdoor temperature below 35°C. 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-term use. *Before use, please remove the protective seals from the cooling plate and the LCD screen. "Wrap-Around Storage & Lightweight at Approximately 215g!" Palm-sized and very compact! Perfect for outdoor work such as farming! Recommended for preventing heatstroke during outdoor sports like golf and fishing, mountain climbing, and jogging, as well as for warehouse work and desk work. "Specifications" Input Voltage: DC 5V/2A ■ Rated Power Consumption: 6W ■ Battery Capacity: 4000mAh ■ Operating Time: Approximately 6-10 hours ■ Full Charge Time: Approximately 3 hours ■ Cable Length: 100cm ■ Product Weight: 215g ■ Cooling Modes: 3 levels ■ Airflow Modes: 3 levels - Type: Neck Fan - Functions: Cooling & Airflow - Design: New Structure & Back Cooling - Color: White - Features: Quiet Fan, Air Intake & Air Outlet Thank you for viewing.