Sony WH-1000XM4 Industry Leading Wireless Noise Cancellation Bluetooth Over Ear Headphones with Mic for Phone Calls, 30 Hours Battery Life, Quick Charge, AUX,Touch Control and Alexa Voice Control-Blue

Digital noise cancelling: Industry leading Active Noise Cancellation (ANC) lends a personalized, virtually soundproof experience at any situation
Voice assistant: Alexa, Google Assistant & Siri enabled (In-built) for voice access to music, information and more. Activate with a simple touch
Speak-to-chat: Headphones use an array of smart technologies to create a seamless, hands-free listening experience. For eg, simply start speaking to automatically pause your music in Speak-to-Chat
Wearing Detection: Proximity sensor and two acceleration sensors in your headphones can detect whether you’re wearing them or not, then adapt playback accordingly to help save battery power
Quick attention mode: Cover the right ear cup with your palm to turn down music for instant, easy conversation