SONY WH-1000XM3 ・Accessories are as shown in the photos. ・Cushioning shows signs of wear. ・No issues found with operation or battery. ・Please understand that this is a used item with age-related deterioration and signs of use. ■ High-quality wireless audio thanks to the built-in DAC and amplifier in the "High-Resolution Noise Canceling Processor QN1". ■ The QN1 provides 4x improved noise canceling performance compared to the previous model. ■ Equipped with "DSEE HX" to upscale various audio sources to high-resolution quality. ■ "NC Optimizer" optimizes the noise canceling function according to the user's condition and environment. ■ Ambient sound mode allows you to enjoy music while letting in surrounding sounds. ■ Ear pads provide a high level of fit and airtightness. ■ Continuous use time: up to 30 hours, Sensitivity: 104.5dB/mW (wired connection, POWER ON at 1kHz), 101dB/mW (wired connection, POWER OFF at 1kHz) Please understand that this is a used item and is sold as-is, with no returns or claims. If you have any questions or would like to negotiate the price, please feel free to comment. (Requests for significant price reductions will be deleted without a reply.) Thank you.