hi, i have a amazing pair of rock zircon, amazing sound for only $10, but i have a little problem, when i use the microphone when calling or whatsapp note voice, the volumen of my voice is so low, anyone else is having the same issue? any idea of what can i do thanks in advance.

Hello everyone, Hi, i have a pair of EMX500 earbuds that i bought on AliExpress 3 weeks ago but now the left one gets a lot of distortion and sound like vibration when i turn up volume on my cellphone. is there anything i can do to fix it? thanks in advance and sorry if anything is written...