After working fine for 4 months the quality went down drastically. People used to complain about my voice quality and I ignored. Finally it went to level where people are feeling annoying. I just throwed them away. IF this is the case I can buy road side unbranded stuff for 100 rupees. Why to buy from Real me and waste money. ( I extensively use the earphones for communication). My conclusion is no point in taking this risk. Just avoid.