Features: 1. Thin And Light Desktop Fan, Breeze Support Over, Feel The Summer Cool, Thin Body, , Wireless Battery Life 2. Circulation Air, Balanced Room Temperature Throughout 3. Wide Range Of Silent, Wind System 4. Circulating Air, Balanced Room Temperature Throughout 5. Square-Shaped Fan, Gather Wind More Powerful. Geometric Square Fluid-Conducting Structure Gathers Wind Power And Blows Out Diffusion-Type High-Speed . Description: Motor Type: Brushless Motor Number Of Fan Blades: 5 Pieces Additional Features: Hanging Dual-Use / Digital Display Power Supply: USB Input Voltage: 5V Input Current: 1A Battery Voltage: 3.7V Rated Power: 3.5W Battery Capacity: 2000 MAH Battery Life: 1-Speed Wind About 10 Hours, 2-Speed Wind About 8 Hours, 3-Speed Fan About 5.5 Hours, 4-Speed Fan About 2.5 Hours, 5-Speed Fan About 4 Hours Charging Time: About 2 Hours Plug Interface: Type-C size: 160 x 134 x 36mm Material: ABS colour: white Package Contents: 1 x Digital Display Fan 1 x USB 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 thing. The measurement allowed error is +/- 1-3cm.