High-performance headphones with wireless connectivity, noise cancellation, and a 30-hour battery life. - Model Name: WH-1000XM4 - Brand: SONY - Features: Wireless, Noise Cancelling - Battery Life: 30 hours [Product Condition] - Carrying Case: Almost unused - Main Unit: Shows signs of use overall. Small damage on the ear pads. Playback, button, and touch sensor functionality confirmed.