Silicone Neck Support - Prevents slipping around the neck when worn providing stable coolness. One-button Control - Long press the switch or short press to adjust wind speed. Double Air Ducts - 2 Airflow channels and high-speed brushless motor. Expandable wearing opening to fit various neck sizes. Type-C Charging port. 5 Gear settings. Anti-slip neck brace. Made of plastic material. Powered by 4000mAh battery.
