Let me start by saying the HiBy M300 has been my daily driver for music playback ever since I unboxed it. That CS43131 DAC chip isn't just marketing fluff - you can actually hear the difference when playing DSD256 files. The soundstage might not compete with $1,000 DAPs, but for under $200? Absolutely mind-blowing.
The Android 13 OS is where this little gem shines. I've got Spotify, Tidal, and even Audible running smoothly. Unlike some reviewers, I actually tried installing Twitter just to test limits - yeah don't do that. Stick to music apps and this Snapdragon 665 handles everything like a champ.
Here's what surprised me most: Bluetooth performance. Using my Sony WH-1000XM4s, the aptX HD support delivers audio so clean I sometimes forget I'm wireless. The 3.5mm jack with my Sennheiser HD600s? Even better. That warm, balanced signature makes every genre from classical to hip-hop sound natural.
Storage is ridiculous in the best way. Popped in a 512GB microSD (yes it really supports up to 2TB) with my FLAC collection. Took ages to scan initially but now navigation is snappy. The HiBy music app's MSEB EQ is witchcraft - tweaking it makes cheap earbuds sound twice their price.
Now the quirks: The elongated shape feels weird at first but actually fits pockets better than square DAPs. Buttons could be more intuitive (why only skip forward?). Battery lasts me about 8 hours with WiFi on - decent but not amazing. And that included screen protector? Lifesaver when it slipped from my hands last week.
Final verdict? If you're tired of compromised phone audio but don't want to mortgage your house for audiophile gear, this is your golden middle ground. It's made me rediscover my music collection - and that's priceless.