Product model: Hanging neck fanBattery capacity: 4000mAhCharging duration: 3 hoursUsage time: 18 hoursProduct size: 180X195X61mmProduct weight: 190gSpecifications:1 [Wind power upgrade ] Quad core ice induction motor, with 8 air ducts in front, back, up, and down, and cold air covering the entire body2 [Range upgrade]4000mAH high capacity battery cell, new energy high capacity battery cell, 24-hour ultra long range3 [ Up and Down Dual Drive Eight Wind Channels] Cool down the whole body in 3 seconds, and the icy cool wind covers the whole body, truly refreshing the whole body4 [ Comfort upgrade ] As low as 190g, with zero burden to wear and no acid on the shoulders after prolonged wearPackage Included:1 * Fan1 * USB cable<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin