| 1. Joint width mm | String | X |
| 1. Type of hair extension | String | X | |||
| 2. Forceps type | String | ↑ | X |
| 1. Blade length | String | X | |||
| 2. Number of teeth | String | ↑ | X | ||
| 3. Steel grade | String | ↑ | X | ||
| 4. Polishing | String | ↑ | X | ||
| 5. Stop type | String | ↑ | X | ||
| 6. Head shape | String | ↑ | X | ||
| 7. Web width | String | ↑ | X |
| 1. The volume of the processed room | String | X | |||
| 2. Ion performance | String | ↑ | X | ||
| 3. Ozone performance | String | ↑ | X | ||
| 4. Powered by cigarette lighter | String | ↑ | X | ||
| 5. Recommended usage time | String | ↑ | X | ||
| 6. Particle propagation method | String | ↑ | X | ||
| 7. Ionizer type | String | ↑ | X |