Features:

Renowned Sennheiser sound quality for a unique listening experience.
Built-in microphone and remote for call and music control.
Closed-back around-ear headphones reduce unwanted background noise for your comfort.
Lightweight, foldable headphones for easy on-the-go storage.
Sennheiser dynamic drivers deliver a well-extended sound response with dynamic bass.
 
Specification:
Impedance: 18Ω
Frequency response (Microphone): 100–10,000 Hz(-10 dB)
Frequency response (Headphones): 18–20,000 Hz(-10 dB)
Sound pressure level (SPL): 120dB (1kHz/1Vrms)
THD, total harmonic distortion: <0.5% (1kHz/100dB)
Ear coupling: Over-Ear
Jack plug: 3.5mm angled
Cable length: 1.4m
Transducer principle: Dynamic
Weight: 217g
Pick-up pattern: Omni directional
Microphone sensitivity: 44dbV/Pa
Acoustics: Closed
Sensitivity: 120 dB SPL @ 1 kHz, 1V RMS

Package Size: Approx. 16*16*9cm
Package Weight: Approx. 550g