Wireless headphones with noise-canceling function and up to 55 hours of use. - Brand: AVIO T - Model: WA-Q1 - Noise Canceling: Yes - Maximum Usage Time: Up to 55 hours - Foldable: Yes - Color: Black Purchased from the official Amazon store for 10,000 yen. However, I haven't had many opportunities to use them, and I've only used them about twice. Thank you for looking.