Features :

• 3-sets of ear gels of different sizes and 1 set of ear gels with flanges for the perfect fit
• Can be used on plane
• Splits 4-step 3.5mm audio jack into separate jacks for sound input and output for your convenience
• 1.2 meters tangle-free earphone cable

Earphone Driver :

• Driver Size : 9mm
• Total Driver : 2
• Frequency Response : 20 ~ 20KHz
• Impedance : 16Ω
• Sensitivity : 102dB+/-2dB
• Rated Power : 5mW
• Maximum Input Power : 10mW

Microphone : 

• Frequency Response : 100 ~ 10KHz
• Sensitivity : -43dB+-3dB@1KHz

Cable and Jack :

• Audio and Microphone Jack : 3.5mm Stereo + Mic
• Cable Length : 12 meters