Rated input:15w Battery:4000mAh (two strings), voltage:7.4V Turbofan: metal turbine Fan diameter:29mm Rated speed:130,000 rpm Number of blades:13 Weight:290g Charging terminal:type-c Gear:three-speed adjustment with one-key violence Maximum speed:130,000rad Maximum power:180W Use time:about 5-8min (long ) Use time:1st gear, 90 minutes, 2nd gear, 60 minutes, 3rd gear, 10 minutes Speed of each gear:1st gear: 39,000 rpm, 2nd gear 65,000 rpm, 3rd gear 100,000 rpm, one-key violence 130,000 rpm Colour:Black Material:ABS Package Contents: 1 * Turbo fan 1 * Air outlet 1 * Air 1 * Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.