Description:Brand Name: Langston LangsdomModel Number: A1Material: MetalStyle:In-EarCompatiable with: iPhone， Samsung， Xiaomi， Meizu， Sony， Huawei， vivo and other 3.5 mm audio jack digital devicesSpeaker: P10-M316 Speaker <br> Frequency: 20-20000Hz<br> Sensitivity: 106dB&amp;plusmn;3dB Impedance: 16&amp;Omega;&amp;plusmn;15%<br>   Driver size: 10mm<br> Plug: 3.5mm<br> Cable length: 120cmEnable operations: answer\/end a call， volume up\/downSilicone earpieces for comfortable and stable fit<br>Package Included:1 x 3.5mm In-Ear Earphone Headphones 2 x Pairs of Silicone Earbuds