1,Good qualitly 2,Favoriable price 3,good design and beautiful colors 4,Good function 1, Pictures of Hot selling wired earphone with mic 2,Products details Horn size 40 mm Frequency rate 20-20 KHzSpirit sensitivity118 dB + /-5 dB (1 kHz 1 mW) Line length1.2 m Even meet device3.5 mmmm4 a gold-plated Match fitness is:microphones and headphones independent 3.5 mm jack (transformation plugs line)3, ...