ES12i headphone provides you with great sound quality， super bass. Suitable for all kinds of electronic devices with 3.5mm jack port. Powerful neodymium magnet unit design， with noise isolating hi-definition technology， you will enjoy the excellent sound.

Main Features:
Noise isolating hi-definition technology
3.5 mm metal headphone plug
Super bass great sound， light and comfortable
15.4 speaker size， provide great sound quality

Note:
This 3.5mm earphone plug is accord with CTIA standard. If you want to know the standard of your phone's 3.5mm interface， you can refer to the following address.

http://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards