Microsoft Surface 2 Wireless On-Ear Headset Grey

Surround yourself with spectacular Omni sonic sound for music, shows, and calls. Stay focused with adjustable noise cancellation. And, listen in comfort with up to 18.5 hours of music listening time.
Specifications:
Frequency response: 20 – 20kHz
Noise cancellation: Up to 30 dB for active noise cancellation, Up to 40 dB for passive noise cancellation
Speaker: 40 mm Free Edge driver
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)
Charging: Full charge in less than 2 hours
Battery Life: Up to 18.5 hours of music listening time1 or up to 15 hours of voice calling on Microsoft Teams2
USB cord length: 1.5 m
Audio cable length: 1.2 m
Inputs: USB-C connector, 3.5 mm audio connector
Compatibility: Windows 10, Android 9 or 10, IOS 12 or 13, Bluetooth 4.1/4.2/5.0
Audio Codec: SBC and aptX
Buttons/controls: Power button, Mute button, Volume dial (right ear), Noise Cancellation dial (left ear)
What’s in the box:
Surface Headphones 2
Carrying case
USB cable
Audio cable
Quick start guide
Safety and warranty documents

• Crystal-clear Omni sonic sound
• Touch, tap and dial controls
• 13 levels of active noise cancellation
• Ultra-comfortable ear pads
• Dual mics for exceptional call clarity