Sony has announced three new wireless headphones at CES 2018 in Las Vegas, which mainly designed for sports use and thanks to the IPX4 certification to protect them against water splashes and sweat. All three Sony wireless headphones are called WF-SP700N, WI-SP600N, and WI-SP500. Sony WF-SP700N The Sony WF-SP700N is the most expensive and true wireless headset among three. In …
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