I purchased this new from an authorized dealer and used it for about two weeks. I believe it's in good condition, but please understand that it has been handled by someone else. Thank you. 【High-Quality Sound and Noise Canceling】 The SONY WH-1000XM4 features industry-leading noise-canceling, effectively blocking out external sounds. The sound quality is also clear, allowing you to enjoy music more deeply. 【Comfortable Fit】 The lightweight design and soft ear pads make it comfortable for extended use. It's the perfect item for travel and commuting. 【Multi-Functionality】 It supports Bluetooth 5.0, making it easy to connect to smartphones and tablets. It also supports voice assistants and is packed with convenient features. - Brand: SONY - Model Name: WH-1000XM4 - Model Number: WH-1000XM4/BM - Connection Type: Wireless - Features: Noise Canceling - Bluetooth Version: 5.0 Thank you for viewing. Sony Model Name...WH-1000XM4