DescriptionHand free cooling fan with powerful airflow.You can the fan around your neck and take it everywhere. It's a must-have for the summer. It can be charged by USB charger, computer, power bank and power adapter.Features- Color: Black. - Material: Plastic. - Size: 18 x 16 x 3cm. - Working hours: 2-6hours. - Hand free cooling fan with powerful airflow.You can the fan around your neck and take it everywhere. - It can be charged by USB charger, computer, power bank and power adapter. - Allow you to choose the best wind direction, simple and easy to create powerful wind for yourself. - With 3 adjustable level, you can adjust appropriate fan by pressing the power button. - Perfect for personal cooling, camping, outdoor event, trips, concers, church, hot flash.