Sony WH-1000XM4 Review - The King Gets Subtle Improvements –
AS New but packaging is missing. Complete Create your very own one-man party. These Sony headphones have a QN1 Processor which is in charge of cancelling noise around you, so you can get lost in the sound of your music. Thanks to 40 mm drivers and support for High-Resolution Audio Wireless everything will sound its best – with rumbly lows, clear vocals, and bright highs.
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