This is a convenient small 3-WAY fan that can be used as a clip fan, hand fan, or desk fan. By using the clip, it can also be attached to a parasol, allowing you to go out hands-free, cool, and comfortable. Simply slide the switch and clip it onto the lock clip for easy attachment. By using the included thickness adjustment stickers, it can also be attached to umbrellas with thin center poles. Made of silicone, it is non-slip and can be securely fixed. *Recommended center pole size: Diameter 9-11mm. Product Name 3-WAY Hands-Free Fan Product Code KSFN-020I JAN 4573468825660 Power Supply DC3.7V Lithium-ion rechargeable battery 1000mAh Charging Time Approx. 4 hours Continuous Usage Time Approx. 1.5-4 hours (varies depending on wind speed) Wind Speed Adjustment 3 levels Size Approx. W11 x D4 x H20.5cm Weight Approx. 150g Set Contents Main unit, USB charging cable, 2 types of thickness adjustment stickers x 2 Materials ABS, PP