Sony WH-1000XM4 Wireless Noise Cancelling Headphones: LDAC/Amazon Alexa built-in/Bluetooth/High-Resolution Audio, up to 30 hours of continuous

Improved noise cancellation performance thanks to an advanced algorithm. Cuts 20%* more everyday noise than the previous model. The algorithm has evolved with the addition of a high-performance new chip, adapting in real time with high precision to music, noise, and acoustic characteristics. Further enhanced high-quality sound design ~DSEE Extreme~ DSEE Extreme, powered by AI-driven deep learning, analyzes music in real time and upscales it to the optimal sound. LDAC transmission audio sources and DSEE Extreme upscaled audio sources can also be adjusted to your preferred sound with the equalizer. "Speak to Chat" function for conversations: Allows you to take in ambient sounds depending on the situation without removing the headphones. "Adaptive Sound Control" automatically switches noise cancellation and ambient sound modes according to the user's actions. AI switches to preferred noise cancellation and ambient sound modes based on the user's frequently visited locations. Supports wear detection function that pauses music playback simply by putting on or taking off the headphones. Lightweight design and optimized side pressure/ear pad contact area ensure comfortable wear even during extended use.

Charging time: (NC ON) Up to 30 hours (NC OFF) Up to 38 hours Cable length: Approx. 1.2m, OFC wire, gold-plated stereo mini plug (headphone cable)