Sony WH-1000XM4 Noise Cancelling Wireless Headphones - 30 hours battery life - Over Ear style - Optimised for Alexa and the Google Assistant - with built-in mic for phone calls - Black.

Brand: Sony
Model name: WH1000XM4
Colour: Black
Form factor: Over Ear
Connectivity technology: Wireless
Wireless communication technology: Bluetooth, NFC
Special feature: Detachable Cable,Rechargeable Battery,Noise Cancellation,Microphone Feature,Volume Control,Foldable
Included components: Headphone; USB Type-C Cable (20cm); Audio Cable (Color Variation / 1.2m); Carrying Case (Color Variation); In-flight AdapterHeadphone; USB Type-C Cable (20cm); Audio Cable (Color Variation / 1.2m); Carrying Case (Color Variation); In-flight Adapter
Age range (description): Adult
Material: Plastic

Noise cancellation, powered by HD Noise Cancelling Processor QN1.
Sound quality - these Bluetooth headphones support ideal Resolution Audio, and even compressed music files are upscaled using evolved DSEE Extreme technology.
Speak-to-Chat automatically pauses playback when one start a conversation, Wearing Detection powers off headphones when not wearing them, plus more smart features for a seamless, hands-free listening experience.
With multipoint connection, Sony headphones can be paired with two Bluetooth devices at the same time, Bluetooth version: 5.0 and frequency range: 2.4GHz band (2.4000GHz-2.4835GHz), Effective Range : Line of sight approx.30ft (10m).
Driver Unit : 40mm dome type (CCAW Voice coil), Plug : Gold-plated L-shaped stereo mini plug, Cord Length : Headphone cable (approx. 1.2m, OFC strands, gold-plated stereo mini plug).