Purchased new from e-earphone in 2024 and used for about 3 hours a month. Sound output has been confirmed. I believe it is a beautiful item with no scratches or stains. Complete accessories, non-smoker, and no pets. Monitor Headphones MDR-MV1 Brand: SONY Structure: Open-back Wearing style: Both ears, integrated left and right Headphone type: Headband Color: Black系 (Black-based) Headphone features: Surround, Removable cable Low-frequency response (Hz): 5.0 Hz Wireless/Wired connection: Wired connection Driving method: Dynamic type Plug shape: Standard plug/Mini plug Impedance (Ω): 24.0 Ω Sound pressure sensitivity (dB): 100.0 dB Driver size (mm): 40.0 mm Weight (g): 223.0 g