Sony WH-1000XM4 Wireless Bluetooth Noise Cancelling Headphones

Industry-leading active noise cancelling thanks to the HD noise cancelling processor QN1: optimises noise reduction to motion patterns and adaptation to air pressure.
LDAC transmits approximately three times the amount of data (at a maximum transfer rate of 990 Kbps) as conventional BLUETOOTH audio, so you can enjoy high-resolution audio content in almost the same quality as a wired connection. The advanced Digital Sound Enhancement Engine Extreme (DSEE Extreme) optimizes compressed digital music files to achieve near High-Resolution Audio quality.
Speak-to-chat stops automatically when they are in a conversation. The proximity sensor turns off the headphones as soon as they are no longer worn. In addition, you have wide intelligent audio features available for rich, clear, room-filling sound. Compatible with Amazon Alexa. Perfect fit in around-ear design. With Bluetooth 4.2 and one-touch connection via NFC for wireless music listening.
With multipoint connection, your Sony headphones can be connected to two Bluetooth devices at the same time.
Long battery life: up to 30 hours. depending on the mode used. Quick charge: 10 minutes. Charge for 5 hours. Music Frequency response: 4Hz-40,000Hz Bluetooth version 5.0, effective range: visual connection approx. 10m.
Box contents: bag, plug adapter for use on the plane, headphone cable (approx. 1.2 m), USB cable: type CTM (approx. 20 cm).