-. Binding : Electronics -. Brand : Sony -. Color : black -. EAN : 4905524977660 -. Feature : Driver Unit: 40mm (Dome Type) / Sensitivity (dB/mW): 105 dB/mW / Frequency Response (Hz): 3 - 100,000 Hz / Cord: 1.2m Silver-coated OFC Cord / 1.2m Silver-coated OFC Cord with Inline Remote and Mic / Mass (g): 225g -. Label : Sony -. Manufacturer : Sony -. Model : MDR-1A/B -. MPN : MDR-1A/B -. PackageQuantity : 1 -. PartNumber : MDR-1A/B -. ProductGroup : CE -. ProductTypeName : HEADPHONES -. Publisher : Sony -. Studio : Sony -. Title : Sony MDR-1A Headphone - Black (International Version U.S. warranty may not apply)