Hello friends I am avinash sharma and today I give you information about earphone so friends you have to select a brand who popular around of you coz who leaving around you they use that product already this kind you dont have to think more and dont have to confused also and you must have to see the power of earphone its showing by khz symbole so there are two khz so first khz have 16 and the second have more than more 20 it is enough coz it give you very good sound quality and if you wanna try some thing different so you can by jbl this is very good company in sound system thank you friends