Origin :Mainland china Power supply mode :Battery Rated voltage :220 Rated power :5 Specifications :Off-white White Item number :F1 circulation fan Brand :Other Applicable area :30 Appearance size :210x180x160 Color :Platinum [charging model],White and black [rechargeable model],White and black [plug-in model] Noise :Below 36db(a) Additional features :Mute Wind speed setting :5th gear Motor type :Brushless motor Mode of operation :Ordinary button Product net weight :410g Packaging volume :164x164x184 Does it support charging? :Support Shaking head method :Shake your head up and down Battery life :3-6h (inclusive) Number of fan blades :3 pieces Whether there is a built-in battery :Built-in battery Patented source? :No Whether to provide special supply of goods for cross-border export :No Main sales area :Africa,South korea,Europe,Middle east,Latin america,Europe and america,Other Fan classification :Usb fan Built-in battery capacity :2000mah-4000mah (inclusive) Shell process :Electroplating