減聲能力強,壓扁後放入耳仔,會自動脹至合耳仔的大小(見圖), 比起一般普遍工業用硬的(紅色/橙色)隔音能力更佳及戴得更舒服,我自己都用緊
$10一件,3M 312-1250
Noise Reduction Rating of 33 dB
還有Adata DDR2 800 Desktop Ram 2GB(1GBx2)
https://www.dcfever.com/trading/view.php?itemID=6735340
還有其他物品可選購
http://www.dcfever.com/trading/profile.php?id=183599
如有興趣請 pm 留聯絡電話