Compatible devices : integrated microphone and smart remote for enhanced usability and optimised for mp3, ipod, iphone, cd players,portable gaming systems and all smartphones

Rating:jack diameter: 3.5 mm,frequency range (Hz): 15 - 20000 hz and impedance (Ohm): 32 ohm

Talk straight into your Microphone without moving your head. The Microphone is perfectly positioned to enable you to speak without having to move your head.

The 1 size of eartips to create the perfect fit for a comfortable, ergonomic fit nearly blocking out all ambient noise without the need for active noise cancellation.