Gear position:Stepless Speed Adjustment Speed:60000RPM Air volume:1000g (blowing scale test) Battery life:about 15 minutes Battery:8000 mAh (8 cells 21700 cells) Over 150 have overheating protection Voltage:16.8V, 80A Due to different batches, the appearance, color and printed words of the product , which will not affect the use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Colour:Black Material:Plastic+Metal (Please note: the fan motor color is random and no specified colors are accepted) Package Contents: 1 * Turbo Jet Fan 1 * Charger 1 * Power on plug-in 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.