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| Brand | Four Seasons |
| Applicable scenarios | Other |
| Time to market | 2025 years, autumn |
| Connection method | 3.5mm |
| Frequency Range | 60Hz-15KHz |
| Signal -to -noise ratio | ≥70db |
| Speaker number | 1 |
| Effective distance | 10 |
| Box material | Plastic |
| Physical dimension | 100*50*40 |
| After -sales service | Three packages of shops |
| Item code | 001 |
| Whether to foreign trade | Yes (this product is only for foreign trade, it may not meet the domestic product standards. Please buy it carefully in domestic buyers.) |
| Power supply | Lithium battery |
| Main downstream platforms | Other |
| Main sales area | Africa, Japanese, Europe, Southeast Asia, North America, Northeast Asia, Middle East, Latin America, Europe and America |
| (Cross-border trading) | Yes |
| Is it a patent source? | No |
| Waterproof level | Not waterproof |
| Bluetooth version | 5.0 |
| Built -in battery capacity | 500mah, 800mah |
| Rated power | 5W |
| Product Weight | 120G |
| Rated voltage | 5V |
| Additional features | Water proof, Fall protection, Voice prompts, Call function, Broadcasting |
| Authentication | Other |
| Whether a built -in battery | Built-in battery |
| Color | Black M400 (3.5 mobile phone speaker), Black M400 (3.5+ Bluetooth phone speaker), Black M400 (3.5+6.35 dual-purpose model), Black M400 (Bluetooth 3.5+6.35 head speaker) |
