Fangrui Product Details 1. Wt23 Handheld Digital Display Turbine Fan Outdoor Stepless Variable Speed Fan 2. 3000mah Lithium Battery, Long Battery Life, Meets Your Cooling Needs 3. 35db Ultra-quiet Operation, 20000 Rpm High-speed Motor, Turbine Wind Tunnel Design, Strong Wind Power, Brings Coolness Without Noise 4. Built-in Ai Protection Chip With Overvoltageovercurrentshort Circuitbattery Protection, Ensuring Safety Every Second 5. Type-c Interface, Compatible With Multiple Devices For Charging 6. Switch Button For One-touch Activation Of Cool Air, With A Roller To Adjust Wind Speed 7. Features A Lanyard Hole For Convenient Carrying 8. Smart Digital Display Screen Showing Battery Level And Speed Settings, Clearly Visible At A Glance 9. Wide Range Of Uses, Can Be Used Outdoors, In The Office, At Home, Etc. 10. Lightweight And Portable, Does Not Take Up Space. 11. Parameters 12. Speed Settings: 100 Stepless Speed Settings 13. Power Consumption: 5w 14. Charging Interface: Type-c 15. Input Voltage: Dc5v-1a 16. Battery Capacity: 3000mah 17. Charging Time: About 4 Hours 18. Usage Time: About 15 Hours And 10 Minutes On The First Gear; About 9 Hours And 30 Minutes On The Second Gear; About 6 Hours And 8 Minutes On The Third Gear; About 4 Hours And 10 Minutes On The Fourth Gear; About 3 Hours On The Fifth Gear 19. Material: Abs + Aluminium Alloy + Electronic Components 20. Size: About 7.4 X 4.1 X 16.4cm 21. Weight: About 170g