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 lightweight, tailored for the waist inside the clip position, three adjustable wind, cool breeze does not leak hanging waist design - release hands, walk with a refreshing cool breeze 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:A:White 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.