Portable Handheld Cooling Fan 3000mAh Rechargeable Semiconductor Personal Fan with High-Speed Brushless Motor for Travel & Daily

battery capacity(mah):2000mAh-4000mAh type:Hanging Neck Fan brand name:Kingstar place of origin:Guangdong, China after-sales service provided:Free Spare Parts app-controlled:No application:Household, Outdoor, None Batteries Included:Yes Control Method:Button dimensions (l x w x h (inches):192*175*60mm(7.56*6.89*2.36in) Feature:Bladeless featured function:Bladeless item weight:211g(7.44oz) material:Plastic motor:Brushless Motor Noise Level:30鈥?4 dB Number of Blades:Bladeless packaging types:Corrugated Box, Color Boxcolor box power (w):5 W(0.01hp) power source:Battery voltage (v):5 V warranty:1 Year wind speed:Five Working time:4-6 hours