| brand | Promise ( Digital ) |
|---|---|
| yacya ya | G1s |
| Storage type | flash |
| memory capacity | 4GB 8GB 16GB 32GB( Time-limited concession ) high cost performance |
| Color | brand new |
| After-sales service | Three packs of shops |
| Audio playup format | MP3 WAV FLAC |
| Product category | Recording pen |
| Color classification | Flagship Black Flagship Black-Enhanced Version ( Intelligent Low Power Consumption Double Continued Navigation ) |
| Production enterprise | Promise |
| Display screen type | HD screen |
| Additional function | Recording function External function MP3 |
| operating system | other |
| Battery specifications | Lithium battery |
| listing time | 2022-02-27 |
| Screen size | 1 inch |
| Purchasing place | Mainland China |
| warranty period | 12 months |
| 3C Certificate Number | 2016010805840806 |
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