More Details:

Specification:
Brand Name: Remax Model Number: RM-501 Style: In-Ear Microphone: Yes
Connectors: 3.5mm
Function: Noise Cancelling
Communication: Wired Frequency: 15Hz-24kHz Sensitivity: 103dB Impedance: 16!#!amp!*!Omega; Cable Length: 1.2m
Color: White， Black， Pink， Blue Package Included: 1 X REMAX RM-501 Side with Wheat-ear Stereo Earphone For Smartphone