1.Three-speed wind speed adjustment: Three-speed wind speed adjustment, soft and strong can be switched at will, bringing nature home. 2.Mobile phone charger function: built-in 4500mAh lithium battery, 5A/1V output, you can use a fan to charge your mobile phone in an emergency. 3.Quiet motor: The fan has low noise and strong wind, does not disturb you and your family, and does not affect study, work, sleep, etc. 4.Mini and , tailored for the waist inside the clip position, three adjustable wind, does not leak hanging waist design - release hands, walk with a refreshing 5.Load reducing structure design, easy to master with one hand, hanging waist no pressure anytime and anywhere to drive away the heat, enjoy cool Product Name:Outdoor hanging waist fan Product Model:ZAY F013 Input:5V/1A Use power:Less than 5W Battery capacity:4500mAh Colour:B:Black Material:ABS+PP+Electronic Component Size:91x73x92.5mm Package Contents: 1 * Waist Fan 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.