Description:Brand Name: Langston LangsdomModel Number: M300Style:In-EarCompatiable with: iPhone， Samsung， Xiaomi， Meizu， Sony， Huawei， vivo and other 3.5 mm audio jack digital devices
Frequency: 20-20000Hz
Sensitivity: 115dB!#!amp!*!plusmn;3dB
Impedance: 32!#!amp!*!Omega;!#!amp!*!plusmn;15% Driver size: 10mm
Plug: 3.5mm
Cable length: 120cmFunction: Noise Cancelling， Microphone， Volume Control
Package Included:1 X 3.5mm In-Ear Earphone Headphones