JA-815# this product Adopts 3.5 diameter gold-plated pin, pvc noodle-shaped wire, and the microphone shell part adopts Gao Ling sensitivity microphone, which can realize conversation and music cutting. Earphone part: the pronunciation circle adopts 10mm diameter copper ring 60 micron pronunciation membrane, and the earphone shell adopts rubber accessories. It is the ideal equipment of mobile phones of various best-selling brands in the current market with headset cable!