1800mAh lithium battery fan built-in rechargeable was powered by USB. No extra batteries are required. The small personal fan is compatible with most computers, laptops, portable chargers and other devices with USB output. 2-6 hours working time depends on different speed.

Low, medium & high speed level. Adjust fan speed by pressing the power button. Neckband fan with powerful airflow can the fast and easy access to instant relief from hot flashes.

This compact and portable device features a dual-fan setup with three speed settings: Low, Medium and High.

Wear it around/behind your neck for a hands-free cool-down session, whenever and wherever you see fit. Charges via USB.

Features

• Hanging the cooler fan around your neck and take it everywhere
• You can even change the angle of airflow to help you cool off faster
• With the Personal Neckband Cooler, staying refreshed and rejuvenated is an absolute breeze

Specifications

• Color: Blue
• Weight: 0.13 lbs