General description This bladeless neck fan is designed for hands-free cooling, allowing you to wear it comfortably around your neck while engaging in various activities. Its innovative design ensures that your hair won't get caught in the fan blades, making it perfect for both indoor and outdoor use. Technical specifications Dimensions: 210 x 155 x 31 mm Weight: Approximately 8 OZ Material: ABS Battery: Built-in 1800mAh rechargeable lithium battery Charging: USB rechargeable via any USB port (computer, laptop, power bank, etc.) Working time: 3-10 hours depending on wind speed Usage Adjustable speed levels: 3 speed settings (low, medium, high) 360° rotation for customizable airflow direction Ideal for personal cooling during outdoor activities such as camping, traveling, hiking, and sports Other information