| Manufacturer | Sichuan Dae-Technology Ltd. |
| Category | Living appliances |
| Price | ￥800.0 |
| Brand | Giant. |
| Model | DZ-2B |
| Rationale | Negative ion |
| Noise | 45 |
| Product category | Oxygen machine |
| Power mode | Communication electricity |
| Applicable area | Less than 10 m2 |
| Filter Type | Composite Filter |
| Is there a patented source? | Yes |
