1) New model Earphone for iphone 4 with Line control, high quality earphone, can freely control for

 iphone communication and call or talk

2) Active noise cancellation, HHI surround isolate Vibe introduces no artificial sound into your music

3) Come with alloy housing and using alloy instead of plastics, you will experience less vibration and

 more of your music

4) vibrant bass, vivid mid-range, and vivacious highs

5) Noise isolating technology with Surround effect

6) In-Ear design with silicone cover

7) Comes with spare silicone ear cover

8) Frequency Response: 5Hz to 21kHz

9) Impedance: 16 ohms

10) Senility: 105 dB /mw

11) Input Plug: 3.5mm stereo plug

12) Compatibility: all iPhone, iPod, MP3, DVD, computer, and CD players