These are the Sony WH-1000XM4 wireless noise-canceling headphones in "Midnight Blue". Noise Isolation: Features advanced Noise Canceling technology with the HD Noise Canceling Processor QN1. Battery Life: The battery lasts up to 30 hours, with a quick charging feature. Smart Features: Supports Google Assistant and Alexa, in addition to the "Speak-to-Chat" feature.