... earphone is than USD6/pcs ,with be high price ,USD4.5pcs with mic is reasonable .Introdution of ... Impedance 32+/-15%4.Rated power: 300mW5.Sensitivity: 105dB6.Wire length :1.5m7.Plug: 3.5mm stereo8.PVC, ... TPE & Braided wire for headphone sets, Feature:1.Stylish design.2. ... stereo,various color for mp3,mp4 player6.Advantage price and high quality for mass purchase.7.Beautiful ...