I purchased this a few days ago, but it doesn't fit my head size, and I've only used it for a few hours. The accessories are also new and unused. Please purchase only if you understand that this is stored by a private individual. Retail price: 47,300 yen, authentic product 【High Sound Quality】 The WH-1000XM4 is equipped with industry-leading noise-canceling functionality, providing clear and rich sound quality. 【Smart Features】 Google Assistant and Alexa are built-in, allowing for voice control. You can easily play music and get information. 【Accessories】 A charging cable, 3.5mm audio cable, and adapter are included, supporting various connection methods. - Model: WH-1000XM4 - Limited Edition: Limited Edition - Brand: SONY - Features: Google Assistant, Alexa built-in - Accessories: Charging cable, 3.5mm audio cable, adapter Thank you for viewing. Sony Model Name: WH-1000XM4