1Emergency Charging: Built in USB output port and Type C input port, you can connect your mobile phone, tablet or other USB devices for charging. In case of emergency, it will be your most dependable partner. 2Waist Hanging Design: The wearable fan is designed with a load reducing structure. It is lightweight and compact and can be controlled with one hand. At the same time, the elasticated belt clip can be easily inserted into the waistband of your trousers, so that you can enjoy the coolness anytime and anywhere. 3Elasticated Belt Clip: The elasticated belt clip on the fan fits tightly into the waistband of your trousers, keeping the fan securely fastened to your waist no matter what activity you are doing, so you can stay safe while enjoying the coolness of the day. 4Portable: This waist fan is compact in size and features a double clip design. The large clip on the back clips onto your belt and trousers, while the smaller clip on the front is applied to secure the corners of your clothes. It also comes with a hanging strap for easy carrying. It can be clipped to your waist or hung around your neck, or held in your hand to enjoy the cool breeze. 5Multi Scene Use: The fan is widely applied in outdoor activities. Whether you are working in the field, gardening in the garden, hiking, fishing and relaxing, cycling for exercise or shopping, it can cool you from the inside to the outside.