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 - Silver Condition:New Intelligent heat control – helps

Intelligent heat control – helps prevent extreme heat damage and protect shine

Hard Disk Description: eMMC

Get immersive sound with deep bass

Precision Dual-Frequency GPS (L1 + L5) – delivers the most accurate location tracking in any environment

and Mac with macOS 10

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 - Silver Condition:New Intelligent heat control – helpsBrand Sony Colour Silver Ear placement Over Ear Form factor Over Ear Noise control Active Noise Cancellation Headphone jack 3. 5 mm Jack Model name WH1000XM4 Connectivity technology Wireless Wireless communication technology Bluetooth, NFC Included components Cable, Headband Noise cancellation, powered by HD Noise Cancelling Processor QN1 Premium sound quality these Bluetooth headphones support ideal Resolution Audio, and even compressed music files