HZSOUND Bell Rhyme Unboxing Video-15mm dynamic driver hifi music earbuds

HZSOUND Bell Rhyme Unboxing Video-15mm dynamic driver hifi music earbuds

HZSOUND Bell RhymeKeepHifi
Driver Units Φ15nm driver unit / High performance rubidium magnet / CCAW voice coil Self-molded speaker cover  / Simulation software to calculat...