PRODUCT OVERVIEWSound meets style for life on the go. More than your basic pair of over-the-head headphones, the Sony MDR-ZX310AP headset delivers rock-solid audio performance with an integrated microphone.KEY FEATURESIntegrated microphonePowerful 30mm dome type driver units for clear soundLightweight & adjustable housing for rugged durabilitySwivel folding design for compact portabilityY-type cable w/4-conductor gold plated, L-shaped plug