NIB Rechargeable Neck Fan *5-16 hours on 1 charge

Brand new--I only opened it to photo it and make sure it powered on. -------------------------------------------------------- 360° airflow around your neck and face. With 4 speed modes (Sleep/Comfort/Cooling/Strong), ranging from gentle and soothing to powerful, you can easily adjust the airflow speed to your comfort by pressing the power button. The low working noise ensures it won't disturb you while studying, working, or engaging in other activities. Features an advanced 4000mAh dual polymer lithium battery, utilizing advanced lithium-ion technology and AI chip for superior energy efficiency, minimizing energy loss. Battery life is 5-16 hours, depending on the speed you're using. USB Type-C fast charging.