OPPO Earphone In-Ear MH133.

About the product

<ul><li>Function: For Mobile Phone ,Sport ,Common Headphone, HiFi Headphone ,For iPod</li><li>Connectors: 3.5mm</li><li>Frequency Response Range: 20-20Hz</li><li>Vocalism Principle: Dynamic</li><li>Line Length: 1.25m</li><li>Sensitivity: 1053dB</li><li>Plug Type: Line Type</li><li>Volume Control: No</li><li>Active Noise-Cancellation: Yes</li><li>Waterproof: No</li><li>Communication: Wired</li><li>Control Button: Yes</li><li>With Microphone: Yes</li></ul>