Sennheiser PXC480

Sennheiser Overview
Featuring the audio specialist’s exceptional sound performance, the compact foldable headphones offer NoiseGardTM active cancellation, exceptional 50-hour battery life and an inline mic for taking calls - everything you need to enjoy travel in comfort.
 â–º Transform your journey. Upgrade to first class.
 â–º Create your own audiosphere
 â–º Give your ears the VIP treatment
 â–º Enjoy your mobile comfort zone
 â–º Around the world on one charge
 â–º Accessories that add to your first class experience
 â–º 2-year warranty
Impedance : Active 150 Ω / Passive 45 Ω 
Transducer principle (Microphone) : Dynamic closed 
Frequency response : 17 - 23000 Hz 
Sound pressure level (SPL) : 109 dB (1kHz/1Vrms) 
THD, total harmonic distortion : <0.5% (1kHz/100dB) 
Ear coupling : Circumaural 
Connection cable : cable with remote control 
Cable length : 1.4 m 
Weight : 225 g 
Charging time : 3 hours (full charge) 
Operating time : Up to 50 hours 
Noise cancellation : NoiseGardTM - Active Noise Cancellation