Features: 1. High-quality Fan, Shaped By Cnc Sculpturing.2. Exchangable Heads, Expecially Designed For Mutiple Cleaning Purposes3. The Fan Uses A Brushless Dc High-Speed Motor With A Maximum Output Speed Of 130, 000rpm, Which Can Generate A Super Strong Wind Speed Of Up To 52 Meters Per Second.4. Brushless High-Speed Motor, With A Maximum Output Speed Of 130, 000rpm, Is Powerful, Durable And Stable, And Will Not Burn Out Under Long Loads.5. Built-In 2 21700 -Capacity Lithium Batteries, The Theoretical Battery Life () Is Up To 4 Hours, Making It More Durable!Description: 1. Rated Input: 15W2. Battery: Jingwei, Voltage: 7.4V3. Capacity: 9000 Mah4. Rated Speed: 130000 Rpm5. Number Of Leaves: 13 Pieces6. Charging Port Type-C7. Gear: Continuously Variable Speed8. Maximum Speed: 130000 Rpm 10%9. Maximum Power: 120W10. Usage Time: 6~10 Minutes11. Surface Texture: Brushed Metal TextureType: A-1 x Violent Fan+1 x Data CableNote: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseMaterial: PC+Metalcolour: Iron grayPackage Contents: 1 x Violent Fan1 x Data CableOnly 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.