USB charging, 30 minutes of charging for 3 hours of use, 5 hours of charging for 24 hours of use Section 4 wind speed up to 40km/h Can be seated on a table, and also comes with a hand strap Design to prevent overheating and overcharging Weight 99g Dimensions 60W x 51D x 159H (mm) Output: 1.7W Input: 5V/1A Usage time: about 6 to 24 hours Battery time: about 5 hours Battery capacity: 2200 mAh Wind speed: maximum 11m/s (wind speed 40km/h) Dimensions: Width 60 Height 15.9 x Thickness 5.1 cm Weight: about 103 grams