Set 10 Nút Điều Chỉnh Âm Lượng Tai Nghe Y1 Y2 Y3 Y4 Y5 Y6
(10pieces) In-ear earphone Earbuds tuning paper tuning cotton perforated open hole tuning cotton Y1 Y2 Y3 Y4 Y5 Y6 diy Earbuds headphone The outer diameter is 3mm, the inner diameter is 1.5MM. the hole behind the small speaker of the earphone is used for tuning, or
AK audio Earphone
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(10pieces) In-ear earphone Earbuds tuning paper tuning cotton perforated open hole tuning cotton Y1 Y2 Y3 Y4 Y5 Y6 diy Earbuds headphone The outer diameter is 3mm, the inner diameter is 1.5MM. the hole behind the small speaker of the earphone is used for tuning, or the earphone shell is punched, drilled, and the front cavity is opened. Y1 density, Y4 density, in order, the density of Y1, Y2, Y3, Y4, Y5, Y6 is getting higher and higher, and the air permeability is getting smaller and smaller, so Y1 and Y6 are not commonly used. The most commonly used are the three types of Y2 Y3 Y4 Package included: 10pieces tuning cotton