Sound quality, fit, and styling – three essential headphone elements in perfect balance, from the designers’ uncompromising approach to this high-end series. Across the range, in MDR-1R passive headphones, MDR-1RBT Bluetooth headsets and MDR-1RNC noise-canceling headphones, each model is a “tour de force” of Sony technology embodying the ideal “Proud to Listen, Proud to Wear”.