Samsung Type:In Ear Wired or Wireless:Wired With or Without Mic:With Mic Jack Diameter (in mm):3.5 Tangle Free Cord:No Noise Cancellation:Yes Colour:White & Black SUPC: SDL332583724 This light hands free also allows you to take calls with its in-built microphone. The compact and lightweight design of the headphone renders them portable and convenient to use. A host of user friendly features, excellent styling and amazing sound clarity gives the Samsung handsfree headphones an edge above the rest. Innovatively designed, the Samsung in ear headphone features dynamic 9mm drivers and a frequency range of 20 to 20000 Hz to give you optimum sound performance across the spectrum. It also offers excellent sound isolation by minimizing external sound. With a 32ohm impedance, the Samsung sky in ear headphones allow you to enjoy music from several devices, besides your Samsung phone. Key Features of Samsung earphone with mic In-the-ear Headset 9 mm Headset Driver Units 104 dB/mW Headset Sensitivity at 1 kHz In-ear-canalphone Design 20 Hz – 20000 Hz Headset Frequency Response Built-in Microphone In-the-ear Headset 32 ohm Headset Impedance.