Hiby M300 early impressions | comparing small DAPs (25/1/24)

Early impressions of the Hiby Digital M300 Digital Audio Player (DAP). Comparisons with my other small portable DAPs: Sony A55, Hiby r3 ii
Covered in the video:
OS/software/UI/user experience
Battery life (21 hours tested)
Comparing the DAPs
Sound/noise floor
Screen comparison
Power/volume
M300 has systemwide upsampling
Etc
The Hiby M300 has systemwide upsampling. There is no bit perfect on any app, be that the native Hiby Music or a third party app.