Microsoft Surface Headphones 2 – Grey – Noise Cancelling Bluetooth Headphones

Sound Pressure Level Up to 115 dB (via cable or Bluetooth connection). Noise Cancellation Up to 30 dB for active noise cancellation; Up to 40 dB for passive noise cancellation. Connectivity Bluetooth 5.0, 4.2, 4.1; supportsSBC andaptX™ audio codecs.

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