Features:
1) In-ear earbud
Unique in-ear-canal design that ensures noise blockage, low song leakage, and great audio quality.
2) On-cord control
Answer or end phone call, pause or play music and also volume control.
3) Standard 3.5mm earphone plug
Fit all devices with 3.5mm jack as a music earphone.
4) Gold-plated audio jack
Provide premium, no-loss sound connection to your audio device.
5) Storage bag
With storage bag, well protect your earphone from dirt, dust, and scratch.
6) Noodle flat wire
Not easy to wind, and also fashionable.

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