Sony Digital Noise Cancelling Headset MDR-NC31E - Black

Digital noise cancelling – Sony patented technology for
highly effective background noise elimination.
Precision listening - Dynamic headphones give you rich,
full-range audio with deep bass and crystal clear highs.
High-comfort fit – In-ear buds designed to further isolate
your music listening experience.
Call handling – built-in microphone for handsfree calling.