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
