Sony WH-1000XM4 Wireless Noise-Cancelling Headphones

• Sony WH-1000XM4 headphones deliver advanced noise cancelling performance, keeping out even more high and mid frequency sounds.
• Dual noise sensor technology, featuring two microphones on each earcup, captures ambient noise and passes the data to the HD Noise Cancelling Processor QN1.
• With Bluetooth® Audio SoC (System on Chip), it senses and adjusts to music and noise signals, as well as acoustic characteristics between the driver unit and ears, at over 700 times per second.
• It features a built-in analogue amplifier integrated in the HD Noise Cancelling Processor QN1 realises an unmatched signal-to-noise ratio for low distortion and exceptional sound quality for portable devices. 
• The WH-1000XM4 headphones use an array of smart technologies to create a seamless, hands-free listening experience.
• Start speaking to automatically pause your music in Speak-to-Chat, or enjoy adaptive playback thanks to proximity sensor and two acceleration sensors that detect whether your headphones are being worn or not.