Purchased in March 2025 and used for work for 20-30 hours. There may be some minor soiling from use, but the condition is considered to be quite good. New products from Sony and JBL are expensive, so please consider these! Bose QuietComfort Ultra Headphones QCUH-HEADPHONEARN-D60E-WW Diamond 60th Anniversary Edition Brand: BOSE QuietComfort Wearing style: Over-ear, integrated left and right Headphone type: Headband Color: White系 (White-based) Headphone features: Noise canceling, microphone, ambient sound mode, sound quality adjustment, remote control Bluetooth codecs: AAC, SBC Wireless/Wired connection: Wireless Wireless standard: Bluetooth Charging port: USB Type-C Charging time: 3 hours Weight (g): 250 g #bose #JBL #sony #qcultra