1. Neck Fan Our portable neck fan is perfect for keeping you cool in the hot summer. 2. Battery Life Builtin 4000mAh battery allows you to enjoy up to 2.5 24 hours after fully charged. The battery is made of low consumption materials, lighter and more durable. 3 Speeds Adjustable Setting Equipped with 3 air volume levels (weak, natural, strong). Adjust the appropriate wind speed by pressing the power button repeatedly. 3. Comfortable to Wear The upgraded personal neck fan a function for a better comfortable experience. 4. HighVelocity Airflow Fourturbine motor structure design provides energyefficient wind speed from 4 air inlets, allowing you to experience the perfect balance of strong and gentle airflow. 5. LowNoise and DustProof The low noise will not disturb your experience. The bladeless fan design and halfclosed air inlet ensure use without worrying about your hair being caught or dust and sweat entering the fan. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store