Microsoft Surface Wireless Bluetooth Headphones 2, Gray Color | QXL-00023

• Audio
  -Sound pressure level output:- Up to 115 dB (1kHz, 1Vrms via cable connector with power on); Up to 115 dB (1kHz, 0dBFS over Bluetooth® connection). -Audio Codec:- SBC and aptX -Noise cancellation:- Up to 30 dB for active noise cancellation; Up to 40 dB for passive noise cancellation. -Speaker:- 40 mm Free Edge driver
• Connectivity
  Wireless, wired, -Wireless Technology: Bluetooth 4.1/4.2/5.0; - 20 – 20kHz Frequency response. -Wired:- 3.5 mm audio connector. -USB cord length:- 59.00 in (1.5 m); -Audio cable length:- 78.74 in (1.2 m). -Buttons/controls:- Power button, Mute button, Volume dial (right ear), Noise Cancellation dial (left ear)
• Compatibility
  Windows 11 Home/Pro, Windows 10, Android 9 or 10, IOS 12 or 13
• Battery
  Charging:- Full charge in less than 2 hours; Battery Life:- Up to 18.5 hours of music listening time or up to 15 hours of voice calling on Microsoft Teams
• Weight
  0.29 kg
• Warranty
  1-year limited hardware warranty

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