1. Material: ABS 2. Input parameters: 5V=1A 3. Wind speed: three gears 4. Battery capacity: 300mA, can be used for 1-2 hours, fully charged in about 30 minutes 5. Designed with reference to fluid mechanics, 7 blades with concentrated wind volume without overlapping, the wind feels natural, soft and stronger 6. High-efficiency all-copper motor, low speed and stability, smooth speed change, higher speed torque, simulates comfortable natural wind 7. Natural and soft wind feeling, can evenly and densely cut the air to provide a larger wind volume 8. Cylindrical body design, evenly distributed weight, can be placed stably on the desktop, not easy to tip over 9. High-quality polymer battery, long-term battery life, reliable battery technology, safe to use 10. High wind power and low noise, does not affect sleep and mood to enjoy soft and refreshing natural wind 11. The base can be placed on the mobile phone, and you can enjoy the cool natural wind while watching TV shows 12. Small and convenient, easy to carry around, can be easily put into a bag 13. Size: 75x40x150mm 14. Weight: about 63 grams 15. Accessories: host + USB cable