The Sennheiser PXC550 offers Bluetooth connection and active noise cancelling to make any journey a luxurious experience. A smart touch control panel on the ear cup, and voice prompt system, makes selecting settings quick and easy. With up to 30 hours of battery life, your listening enjoyment can last for the longest of trips.

Sennheiser's NoiseGard adaptive noise cancelling can isolate your listening even in the most chaotic environments. The louder the noise around you, the stronger the cancellation. With three microphones sampling the sound around you, NoiseGard calculates the signal to cancel it out and deliver the best possible sound for you.

Listen wirelessly over Bluetooth, or enter flight mode with the included cable. When not in use, the PXC550 folds neatly away into the included carry case.

The NoiseGard works for your calls as well, filtering out background noise so your voice is clearer on the other end of the line. No matter how busy your location, the message will get through. 

Read the Exellent What Hi-Fi Review here... 

https://www.whathifi.com/sennheiser/pxc-550-wireless/review

Specification

Ear coupling: Over-ear
Charging time 3 hours
Up to 30 hours play back on full charge (20 hours with Bluetooth and noise cancelling on)
Touch pad control. Tap the right ear pad to control playback.
Frequency response (Hz) 17 - 23,000
Nominal impedance (ohms) Active 490 Ohms / passive 46 Ohms
Sensitivity (dB) 110
Supplied accessories Carry caes, audio cable with control button, USB cable, 3.5mm to 6.3mm adaptor
Weight (kg) 0.227