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• Professional Active Noise Cancelling Technology

• Proprietary 40mm Large-aperture Drivers.

• High-quality Built-in Microphone and NFC Technology.

• The Professional Protein Earpad and 90 Swiveling Earcups.

• A built-in 600mAh battery won't allow your headphones power off, you can enjoy your world without noise for 30 hours' long time.