Ultra-high speed wind uses brushless DC high-speed motor The size is as you wish, infinite frequency conversion, abandoning the traditional fixed gear setting to make the speed smoother TYPE-C charging, ultra-long battery life, 4000Ah power for longer use Ice-sensing small wind cannon, equipment cooling, outdoor cooling DIY attribute, wide range of uses Colour:Black Material: ABS Gear: 4-gear adjustment Battery capacity: 4000MAH Nozzle: 1 Package Contents: 1x Turbo Jet Fan 1x air nozzles 1x data Cable 1x storage bag 1x Instructions in Chinese and English 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.