Description:Brand Name: Langston LangsdomModel Number: M159Compatiable with: iPhone， Samsung， Xiaomi， Meizu， Sony， Huawei， vivo and other 3.5 mm audio jack digital devices
Frequency: 20-20000Hz
Sensitivity: 103dB!#!amp!*!plusmn;3dB
Driver size: 10mm
Plug: 3.5mm
Cable length: 120cmFunction: Noise Cancelling， Microphone，
Package Included:1 X 3.5mm In-Ear Earphone Headphones
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