1. 140000 RPM turbofan, brushless motor, powerful. 2. Strong dust removal, handling a series of debris such as accumulated dust, sand, hair, etc. 3. Built in 21700 lithium battery, with long battery life and up to 4 hours of low-frequency use. 4. Infinite speed regulation, easy to operate with one hand, two in one switch speed regulation, increasing air volume from small to large, better protecting the motor. Battery capacity:6000mAh Built in two 21700 batteries Wind speed:53m/s Working voltage:7.4V Charging time:3-4 hours Wind speed gear:infinite speed regulation Electric tuning:30mAh Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:ABS Package Contents: 1 * Turbofan 2 * nozzle 1 * Cover box 1 * Type-C 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