Hands,Free Neck Cooling Fan: Semiconductor Tech, Powerful Airflow, Adjustable Speeds, Ideal For Travel Work.

SEMICONDUCTOR DUAL COOLING: Neck cooling fan uses semiconductor cooling technology, 1 second cool, built in 324 TEC cooling unit, cooling effect increased by 600%. TOP AND BOTTOM AIRFLOW: Neck cooling fan up and down around the air supply, wind is 30 times more than the single sided wind, front and back can blow, cool the whole body. HIGH SPEED MOTOR: Hanging neck fans with high speed motor, speed 20 times higher, to promote 17 liters of strong airflow, wind power cooling fast.