SONY WH1000XM4 WIRELESS OVER-EAR HEADPHONES -silver. Bluetooth version: 5.0 and frequency range: 2.4GHz band (2.4000GHz-2.4835GHz). 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.
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