Specially designed for Meta Quest 3/3S, S3 Pro head strap features magnetic charging, 20W fast charging and 2x8000mAh battery for longer Vr gameplay. Comes with a magnetic base for convenient storage charing the the battery pack. Also Built with durable materials and 17mm high-density foam, it offers comfortable and stable wear. The slip-resistant adjustable knob and bendable arms suit for all ages and easy storage.