Description Voltage: DC power supply 5 V/1 A Charging method: USB direct plug (C + USB TIPO connector)/AC adapter conversion (not included) Power operation time: 4 gear 1 hour 20,3 gear 1 hour 45,2 gear 2 hours 4,1 gear 2 hours 22 Lithium-ion battery charging time (fully charged) : 3.5 hours Fan: Three-speed on/off (low 144 mA, high quality 190 mA, 236 mA). Material :ABS. Product size: 69 x 69 x 126 centimeters. Net weight: 13.6 grams. Power: 2.6W Speed: 4400 RPM in first gear, 5700 RPM in second gear, 6900 RPM in third gear, 7800 RPM in fourth gear. Wind speed: 1.1 meters/second, 1.75 meters/second, 2.2 meters/second, 4.6 meters/second Wind noise: approximately 45 decibels Power cord: Total length: 0.5m, diameter of C-type power cord: 0.30mm AWG28, Fire resistance grade: VW-1 engine Non-standard 2-inch brushless motor Water tank: 70ml.
