Wireless Vacuum cleaner suck and blow, multifunctional settings, easy to use, easy to clean, strong, smart, brushless moter, price usd20/pc or so FOB ShenzhenRated voltage (DC) 11.1V Rated current 4.5A Working voltage range (DC) 9.3~12.6V Charging voltage 5.0V±0.25V recharging current 2000mA±100mA Charging time (5V/2A) About 2h Rated speed 90000rpm rated power 65W suction power 4000Pa Wind speed gear Four levels battery capacity 1100mAh/11.1V 14650*3 Usage time (fully charged state) The maximum fourth gear is 17 minutes, the third gear is 26 minutes, the second gear is 1 hour, and the minimum first gear is 3 hours and 30 minutes. Protective function Under voltage protection (below 9V), over voltage protection (above 12.6), over temperature protection (above 80 degrees), over Working temperature, humidity Speed protection (over 110000rpm), overcurrent protection, stalled