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| Model | Link | Type | Language | Updated Date |
|---|---|---|---|---|
| B01 | https://www.hetyy.com/b01/doc/b01_um_en_20241102.pdf | English | 2024-11-02 | |
| B02 | https://www.hetyy.com/b02/doc/b02_um_en_20241104.pdf | English | 2024-11-04 |
| If you have any technical questions or concerns, please email to help@hetyy.com for support. |