Wireless headphones with Adaptive Active Noise Cancelling, reducing noise by up to 98%. Playback time is 50 hours. - Model Name: SPACE Q45 - Brand: soundcore by Anker - Noise Cancelling: Adaptive Active Noise Cancelling - Playback Time: 50 hours - Sound Quality: Hi-Res Sound - Number of Microphones: 2 microphones - Noise Reduction Rate: Up to 98% Thank you for viewing. I bought two of these on impulse, but my son doesn't use them. The item for sale is unopened. The photos are of the ones I'm currently using; the item I'll send is unopened. Enjoy a life with headphones. I think you can enjoy various things.