This product was originally intended for export and was returned to Japan after being opened for inspection by overseas customs. It cannot be sold as new. The headphones themselves are brand new and unused, but we are selling them at a complete loss. Therefore, we cannot accept returns except for defects in the headphones. Please confirm this before purchasing. Product Name: Headphones YAMAHA Headphones (Black) [YH-5000SE(B)] YH-5000SE(B) Specifications: Weight: Approximately 320g Type: Over-ear, Open-back Driver: Φ50mm Planar Magnetic (Orthodynamic Driver) Impedance: 34Ω (@1kHz) Frequency Response: 5～70000Hz Sensitivity: 98dB/mW (@1kHz) Accessories: Leather ear pads (L/R), Ultrasuede ear pads (L/R), 3.5mm 3-pole plug cable, 4.4mm 5-pole plug cable, 6.3mm conversion plug, headphone stand, quick guide, outer box Free nationwide shipping via Yamato Transport Takkyubin.