Sony M2 Premium Noise Cancelling Wireless Headphones
DIGITAL NOISE CANCELLATION: Industry leading noise canceling eliminates distracting background noise
SMART LISTENING: Detects your activity to automatically adjust the ambient sounds you hear ; Frequency response : 4 Hz-40,000 Hz
QUICK ATTENTION MODE: Communicate without taking your headphones off. Place your hand over the right ear cup to turn the volume down for instant conversation