Active noise cancellation, ultra-long battery life, double-tap for automatic pop-up.Double-tap for automatic opening and closing, with built-in technology sound effects.Hi-Fi level sound quality, highly restores richer and more vibrant audio.Antibacterial material for skin-friendly comfort, no ear pain even after prolonged wear.Low-latency gaming, synchronized audio and video.ENC call noise reduction technology, calls feel like face-to-face conversations.IPX4 waterproof rating, fearless of sweat during sports and fitness.