①. Safety assured: Bladeless design ensures safe use for long hair, children and the elderly. Adopt individual charging protection circuit to protect the device from overcharging, overdischarging, overcurrent and short circuit, combining fixed frequency of DC and DC, which can protect the motor from damage and ensure a longer service life of the device. ②. Adjustable speed and 3.5 - 9 hours of operation: One - button operation, press to change the fan speed, very easy to use. High - capacity battery provides 3.5 - 9 hours of operation time depending on the wind mode selected. ③. Hands - free design and adjustable angle: Hands - free design frees your hands. In addition, with the soft silicone on the neck part of the fan, you can always adjust the angle of the airflow. Multiple small air outlets arranged above the fan can provide 360 - degree quiet wind around your neck and face. ④. The high - end appearance and sleek design of the fan make it suitable for many occasions, such as outdoor work, gym, office, lawn mowing, yard work, stroller, casual walking, driving, traveling, camping, fishing, etc. It is also a good gift choice for family and friends - just click the "Add to Cart" button and wait for their surprise.