#HiByDigital #M500HatsuneMiku
"Unlike some DAPs I've heard, which have very good technical performance but sound boring, dry, and flat to my ears, the HiBy Digital M500 X Hatsune Miku 4G sounds musically engaging and three-dimensional with plenty of both macro and micro details."

HiBy Digital M500 x Hatsune Miku 4G Review — Headfonics

"Marcelo reviews the HiBy Digital M500 x Hatsune Miku 4G, a themed mobile data-capable Android 14 DAP with up to 449 mW of output power."
https://headfonics.com/hiby-digital-m500-x-hatsune-miku-4g-review/

お、コスパ良い！
睡眠時用に買おうか迷う

【新製品】#HiByDigital よりエントリークラスのDAP『M300』が登場！【2/22発売予定】 - イヤホン・ヘッドホン専門店eイヤホンのブログ
https://e-earphone.blog/?p=1490853