JA-8540# this product Adopts 3.5 diameter TPE noodle-shaped wire, and the microphone shell part adopts multi-function conversion circuit board, which can realize conversation, music cutting, and system conversion. Earphone part: the pronunciation circle adopts 10mm diameter copper ring 60 micron pronunciation membrane, and the earphone shell adopts ABS color plating accessories. This product is the ideal equipment of mobile phones of various best-selling brands in the market at present, with headset cable!