1.Upgraded earphone: Compared with the older generations, it doesn t need to adjust the NK/IP switch button to fit mode for your phone, apply directly to almost portable device with 3.5mm audio jack.
2.HD audio microphone:PAUSE / PLAY/HANG UP / ANSWER.
Swithch song: Click three times quickly to change to the previous song and Click twice quickly to next song.
3. Volume control: Slide to control the volume up and down.
4. Portable: Metal magnetic housing design and earphone case is easily for you to collect.