Features 1. Up and down four-way air duct, 720 ° circulating air outlet, can blow air in four directions, cooling the whole body 2. Designed to mimic aviation turbine blades, upgraded to 60 turbine blades/strong hurricane mode, with double airflow and strong wind power, yet very gentle 3. Adopting turbocharging technology for aircraft engines, compressed air is the only cold air 4. Five adjustable wind speeds, allowing for instant cooling without waiting 5. Plated keyboard display screen. Intelligent cold light power supply digital display, battery level is clear at a glance Specification Function level: 5-speed wind speed Product size: 20*20*6 cm Capacity: 1200mAh Power: 5W Voltage: 5V Interface type: Type-C Battery life: 18H Package Include:  1 * Neck hanging fan 1 * Charging cable