Wireless headphones compatible with 360 Reality Audio, boasting up to 50 hours of battery life. Used a few times. There are no noticeable stains or scratches. Please purchase if you understand that this is a used item. No accessories included. - Model: WH-CH520 - Color: Beige - Battery Life: Up to 50 hours - Features: 360 Reality Audio - Connection Type: Bluetooth - Multipoint Connection: Supported - EQ Settings: Possible - Hands-free calling: Supported Sony Model Name: WH-CH520 Thank you for viewing. Sony Model Name: WH-CH520 Instant purchase welcome!