1. Power: 4.5W, input: DC5V-0.8A
2. Battery specifications: 18650-1200mAh
3. Small size, easy to carry
4. With mobile phone stand, easy to use
5. No noise, quiet and comfortable
6. There are 3 speeds adjustable
7. Material: ABS + PP + silicone
8. Charging interface: USB
9. Dimensions: 22.5x10.5x4.2m