: Approximately 2-4 hours of continuous playback.
Based on the search results, the "" identifier appears to be related to specific MP3/MP4/MP5 products from Dawise (達微科技) , which are marketed in Taiwan. 10791mp4
These players, specifically models in the B18xx series (e.g., : Approximately 2-4 hours of continuous playback
: Supports multiple formats, including MP3. : Supports multiple formats