Description:<br>Brand:Original LetvType: In-earCommunication: WiredSpeaker unit: Dynamic Sensitivity: 106dB &amp;plusmn; 3dBNominal impedance:16&amp;Omega;Frequency range: 20-20kHzPlug type: 3.5mm gold-platedLine length: 1.1mMaterial: TPE+OFC+Oxygen-free copper<br>Feature:<br>1.Using 9.0mm neodymium magnet Dynamic loudspeaker system.2.Metallic cavity can produce sound more strong and vigorous， metal shell with sound insulation， isolation from external noise and can reduce sound leakage phenomenon.3.Intelligent three buttons wired， easy to operate， the application of standard Android phones.4.Headphone cable as a whole soft and durable， long service life.5.Applicable models: American Standard 3.5mm audio interface， LE mobile phone and Android phone.<br>Package included:<br>1 x Letv Metal Dynamic In-ear Headphone with Mic