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 phone calls Black

Industry-leading noise cancellation, powered by our HD Noise Cancelling Processor QN1 (Disclaimer in description) Premium sound quality - these Bluetooth headphones support High-Resolution Audio, and even compressed music files are upscaled using our evolved DSEE Extreme technology. Speak-to-Chat automatically pauses playback when you start a conversation, Wearing Detection powers off your headphones when you're not wearing them, plus more smart features for a seamless, hands-free listening experience. With multipoint connection, your 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) 30 hours battery life (with Noise Cancelling on) plus fast charging (10 min charge for 5 hours playback)2 (Disclaimer in description)