Cleanly used Sony headphones Specifications: Type: Over-Ear Active Noise Cancellation (ANC): Very excellent, and one of its strongest features Sound: Supports Hi-Res Audio and LDAC Battery: Up to 30 hours with ANC on, and about 38 hours without it Microphones: Multiple for calls and noise cancellation Speak-to-Chat: Music stops automatically when you start talking Fast Charging: About 10 minutes of charging gives you approximately 5 hours of playback Price: I'm open to offers