Sony Electronics announces two new headphone models: the WH-CH720N over-ear and WH-CH520 on-ear wireless headphones featuring Sony's Digital Sound Equipment Engine

lt;p>Get all day comfort with the WH-CH720N and WH-CH520 headphones designed for an authentic listening experience with high-quality sound, including noise-canceling technology for the WH-CH720N SAN DIEGO,</p>

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