Key Features Intelligent Touchscreen Control: The case features a 1.57-inch to 2-inch display that allows users to manage up to 13 different functions without needing their phone, including volume adjustment, music playback, and switching noise reduction modes. Active Noise Cancellation (ANC): Includes advanced hybrid ANC technology capable of reducing external noise by up to 35dB, as well as a Transparency Mode for environmental awareness. Wireless Connectivity: whatsapp 9704446161