From a practical point if view, the clarity needs to be better defined in case of using el glow earphone while talking on a mobile phone.
A very important factor to be taken into serious account is the environment where you will use the earphones. If you intend to use el glow earphones in local buses, or in market places, you need to own devices of extreme high quality. These zones have commotions so a superior quality device can ensure you perfect sound.
But if you want to listen to your favorite audios in your bedroom in a peaceful environment, the mode of the device alters. But a notable point at this context is you need to chalk out the frequency with which you need to use it in noisy areas and in peaceful environment and getting hold of a device that has features to make your listening a treat in every possible type of environment is suggested.