Sennheiser PXC 550-II Wireless headphones features Smart Pause to react to your movements » Gadget Flow
Sennheiser PXC 550 Wireless NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Amazon.ca: Electronics
Sennheiser PXC 550-II Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Amazon.ca: Electronics
Sennheiser PXC 550-II Review: Intelligent Audio On The Move