| Manufacturer | Shenzhen City Billion Zaikang Technology Co. Ltd. |
| Category | Smart device |
| Price | ￥599.0 |
| Brand | Neutral |
| Model | J2-4 |
| Goods | J2-4 |
| Listing Time | 2021 |
| Source category | Cash |
| Materials | nylon. |
| Battery capacity | 120mah |
| Appearance Size | 168*154*91mm |
| Product weight | 48.8g |
| Population applicable | Mass, fashion, adults, old people, other |
| Applicable platform | "android platform, apple iOS platform |
| Camera | No camera. |
| The way you wear it. | Headwear |
| Wireless distance | 10m and above |
| Operation | Key |
| Communications function | Support |
| Run Memory | 1g |
| Compatible platform | IOS Andre |
| Additional Functions | TWS headphones |
| Support for proxy membership | Support |
| Do you support a surrogate? | Support |
| Process | Paste Process |
| Best delivery time. | 1-3 days |
| Invoices | Provision of invoices |
| After-sale services | Three bags. |
| Packaging list | Notes + accessories |
| Colour | J2 Colour variant |
| Main downstream platform | Other |
| Main distribution areas | Other |
| There's an authorized brand. | Yes. |
| Whether or not to export a source of goods exclusively across borders | Yes. |
