Lightweight & Compact Weighs only 0.44lbs with 3.27×1.77×4.13 inch dimensions similar to a smartphone Easily attaches to belts, bags or fits in pockets without adding bulk Sturdy build available in green / camouflage colors for outdoor adventures Smooth 1 100 Speed Control Provides progressive speed variation from gentle wind to more intense circulation Long Battery Life Built in 3600mAh battery works 16 hours at lowest setting (3 hours at highest) Includes quick charging feature (complete in 3 hours) and allows usage while charging Functions with multiple power inputs for energy supply Versatile Wearing Styles This portable cooling device features 5 wearing methods: waist strap, neck hanging, desktop stand, handheld use, or bag attachment Powerful Cooling Effect Equipped with a 9500RPM brushless motor and 5 fin configuration, this body fan creates 6.5m / s wind movement The 130° wide coverage reaches your back, neck and waist, effectively reducing body temperature by 5 10°C during outdoor activities