This is a model from 2019 or later. Used for approximately 50 hours. All accessories included. The condition is excellent. There is a minor, barely noticeable, thin blemish of about 1cm on photo 13, and a paint chip of about 1mm on photo 14. There are no other scratches or stains. Ear pads and headband were used with covers. HD 650 Brand: SENNHEISER Construction: Open-back Wearing style: Over-ear, integrated left and right Headphone type: Headband Color: Black Headphone features: Detachable cable Low-frequency response (Hz): 10.0 Hz High-frequency response (kHz): 41.0 kHz Wireless/Wired connection: Wired Driver type: Dynamic Plug shape: Standard plug/Mini plug Sound pressure sensitivity (dB): 103.0 dB Cord length (m): 3.0 m Weight (g): 260.0 g