I am selling these because I no longer use them for my commute. The battery life has become shorter. I believe this is due to aging. I think these are still headphones that can be used actively. Wireless Noise Canceling Stereo Headset WF-1000XM3 (S) Platinum Silver Brand: SONY Wearing style: Separate left and right, completely independent Earphone/Headphone type: Canal type Structure: Sealed Color: Silver系 Wireless/Wired connection: Wireless Earphone/Headphone functions: Noise canceling, Microphone, External sound capture, Sound quality adjustment, Automatic power-on function, Automatic power-off function, Remote control Wireless standard: Bluetooth Wireless function: NFC Bluetooth version: Bluetooth 5.0 Bluetooth codec: AAC, SBC Drive method: Dynamic type Driver size (mm): 6 mm Charging terminal: USB Type-C Charging time: 1.5 hours Weight (g): 17 g ↓↓↓Please be sure to check↓↓↓ ■■■Please note■■■ Please take the time to refer to my profile. *Please ask questions before purchasing. *Please refrain from comments unrelated to the product. *Everything in the pictures is included. *If there are any scratches or stains, I have included pictures, but there may be oversights. *Alcohol disinfection and simple cleaning have been done. *This is a product that has been in someone's hands once. If you are extremely concerned about the fine details of the condition or the smell, or if you are nervous, please refrain from purchasing. *Basically, "simple packaging" will be used. If you are concerned about the packaging, please refrain from purchasing. *I am careful with packaging fragile items and machines, but there may be damage during transportation. In the event of a shipping accident, the buyer will need to apply to Mercari. Please be aware of this beforehand. *I am not a specialist, so I will respond within the scope of what I can understand from a layman's perspective. ⭐︎I will delete comments that are unreasonable or requests for excessive price reductions. I will not offer significant price reductions. ⭐︎I will reuse cardboard boxes for shipping, so please understand. Basically, I will ship everything in the photos. ⚠️ Please purchase only if you agree to no claims and no returns to prevent swapping.