Mini Portable USB Fan 1800mAh Power Bank Rechargeable Foldable Neck Cooling Fan Three Speeds Lightweight Wearable Outdoor

battery capacity(mah):1800 type:Handheld Fan place of origin:Guangdong, China after-sales service provided:Return and Replacement app-controlled:No application:Household, Outdoor Batteries Included:Yes Control Method:Button dimensions (l x w x h (inches):161.5*79*20.5mm energy efficiency rating:Class A Feature:Lightweight featured function:Foldable, Neck Wearable, Wearable Installation:Neck Hanging item weight:110g material:Plastic motor:Brushless Motor Noise Level:30–34 dB Number of Blades:7 operating language:English packaging types:Color box power (w):3w power source:Usb private mold:Yes voltage (v):5 V warranty:1 Year wind speed:Three Working time:1-4hours model number:F-B

Power supply method: USB noise: Below 36dB(A) Rated voltage: 5 Rated power: 5 Operation method: Normal button