This Bundle from Teds Electronics includes the following; 3x Sony MDR-M1 Closed-Back Over-Ear Reference Monitor Headphones Comfortable Over-Ear Fit: Designed for extended use, the Sony MDR-M1 headphones include soft, cushioned ear pads and an adjustable headband. Closed-Back Design for Noise Isolation: The MDR-M1 headphones feature a closed-back design that minimizes sound leakage and blocks external noise. Precise Reference Sound: The Sony MDR-M1 Closed-Back Over-Ear Reference Monitor Headphones deliver highly accurate, balanced audio across all frequencies. Durable Professional Build: Built with high-quality materials, the Sony MDR-M1 Closed-Back Over-Ear Reference Monitor Headphones are designed to withstand daily use in professional environments.