Features: Ergonomic design, smart speed control Pure copper motor, low noise, large wind volume With USB interface, portable charging 360 degree adjustable,you can choose any wind direction you want Descriptions: 1. Hand free cooling fan with powerful airflow.You can hang the fan around your neck and take it everywhere. It's a must-have for the summer. 2. Fashion headphone design makes this personal fan a wonderful gift. 3. Allow you to choose the best wind direction, simple and easy to create powerful wind for yourself. 4. Low/medium/high speed level.Adjust appropriate fan speed by pressing the power button. 5. Best for personal cooling, camping, outdoor event, trips, concers, church, hot flash. Specifications: Charging mode: 5V1A Micro USB cable Charging time: DC 5V/1A 4 hours Usage time: about 4-12 hours Low speed 12 hours, medium speed 7 hours, high speed 4 hours Size: 80x190mm Power: 0.3-1.2 W Material: ABS Silicone