BOSE QuietComfort Ultra Headphones 2nd Generation

1) This is an auction listing.
2) Occasionally, people like the item and wait for a price reduction, but the price will go up.
3) The extension period is 60 seconds. If you hesitate, it will end.
4) This product was purchased on April 29th from the online shop of a major electronics retailer, and pairing was confirmed via the app to ensure peace of mind for all buyers. Technical information about connecting to the app is also included.
5) Upon purchase, proof of purchase from the major electronics retailer will be included. (Our personal information will be redacted.)
6) As shown on the bottom left of the box, this is the 2nd generation.
Please take note of these 6 points.
The following are the product details.

[Product]
BOSE QuietComfort Ultra Headphones.

[Features]
Includes a purchase certificate from an electronics retailer, with the purchase date being April 29th. This proof of purchase will be included.
It connects perfectly to the app, so we believe you can purchase with confidence.

Thank you.
Bose QuietComfort Ultra Headphones (2nd Generation) QC ULTRA HP 2nd BLK Black
Brand: BOSE QuietComfort
Wearing style: Over-ear, around-ear
Earphone/Headphone type: Headband type
Color: Black
Earphone/Headphone features: Noise cancellation, Microphone, Sound quality adjustment, Remote control
Bluetooth codec: AAC, SBC
Wireless/Wired connection: Wireless, Wired connection
Plug shape: Mini plug
Wireless standard: Bluetooth
Charging terminal: USB Type-C
Charging time: 3.0 hours
Weight (g): 250.0 g