KZ ZS10 Pro X in Ear Earphone, Upgraded 4BA 1DD KZ Headphone Multi Driver in Ear Earphone IEM with Alloy Faceplace Detachable Silver-Plated Recessed 0.75Mm 2Pin Cable for Audiophile (Dark, with Mic). Driver 4BA 1DD 1DD 4BA+1DD 4BA 1DD 1BA 1DD 5BA 1DD.
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