?Description:Brand Name: gblueModel: QX2Type: 3.5mm Jack EarphoneColor: BlackImpeddance: 16&amp;Omega;&amp;plusmn;15%Rated Input Power: 3mWMax Input Power: 5mWSensitivity: 92&amp;plusmn;3dBFrequency Range: 20Hz ~ 20KHzDistortion (max): 5%<br>Feature:Humanized wired Control｣ｬ convenient to answer phone calls or control the music.This earphone with standard 3.5mm audio jack｣ｬ is universal to all kinds of devices such as cellphones or MP3 players.Clear and excellent sound｣ｬ this earphone has high performance in bringing your ears the direct shock.<br>Package Included:1 x gblue QX2 3.5mm Earphone2 x pairs of ear-plug1 x User Manual