Bladeless Neck Fan, 5000mAh Rechargeable Battery Powered, Angle Adjustable, Hand-free Portable Neck Fan for Both Outdoor & Indoor Use, UL Certified, White 5000mAh Rechargeable Battery: A large capacity of 5000mAh rechargeable battery enables the fan to work for a long time. 3 hours of charging the fan to the full will grant you hours of coolness depending on different speeds Safety Assurance: The bladeless design ensures safe use for the long-haired, children, and the elderly. Adopt an individual charging protection circuit to protect the device from over-charged, over-discharged, over-current, and short circuits, combining the fixed frequency DC-DC, which is to protect the motor from being damaged, ensuring a longer lifespan of the device Adjustable Speeds & Working Hours: One button operation, press to change fan speeds, very easy to use. And the large capacity battery provides a working hours duration, depending on which wind mode you choose Hand-free Design & Angle Adjustable: Its hand-free design is to release your hands. Also, with the soft silicone on the neck part of the fan, you can always adjust the angle of the airflow at will. And the many little air outlets spreading over the fan can give you 360-degree silent wind around your neck and face Ultimate Summer Essential: The premium and stylish appearance of the fan makes it ideal for use on many occasions, such as outdoor work, gym, office, mowing lawn, yard work, stroller rides, casual walking, driving, traveling, camping, fishing