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| Manufacturer | Shenzhen City Billion Digital Electronic Manufacturing Co. Ltd. |
| Category | Smart device |
| Price | ￥ |
| Brand | Smrt Ring |
| Model | D20 |
| Goods | D20 |
| Listing Time | 2023.05.01 |
| Source category | Cash |
| Battery capacity | 30mAh |
| Appearance Size | - What? |
| Product weight | 6g |
| Population applicable | Universal |
| The way you wear it. | The ring. |
| Application systems | Universal |
| Additional Functions | - What? |
| Compatible platform | Universal |
| Do you support a surrogate? | Not supported |
| After-sale services | - What? |
| Invoices | - What? |
| Packaging list | - What? |
| Colour | Black, white, pink, cyan. |
| Whether or not to export a source of goods exclusively across borders | Yes. |
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