OnePlus Buds 4 TWS Earbuds with Upto 55dB Real-time ANC, Adaptive Mode, Dual Drivers and DACs, 3D Audio, Upto 45hrs Music Playback, Dual-Device connectivity, 47ms Low Latency, Storm Gray REFURBISHED Everything is within seeing and

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OnePlus Buds 4 TWS Earbuds with Upto 55dB Real-time ANC, Adaptive Mode, Dual Drivers and DACs, 3D Audio, Upto 45hrs Music Playback, Dual-Device connectivity, 47ms Low Latency, Storm Gray REFURBISHED Everything is within seeing andFeatures [Industry leading ANC up to 55 dB & 5500Hz range]: Powered by the latest OnePlus algorithms, Buds 4 can dynamically adjust ANC in real timeup to 800 times per secondbased on ambient noise to ensure optimal noise cancellation. [All New Adaptive Mode] Dynamically switches between ANC and Transparency Modes for safer and smoother listening. [Flagship level near lossless sound]: Featuring twin tailored DACs (Digital to Analog Converter), an 11mm