MS 서피스 헤드폰 Microsoft Surface Headphones 

노이즈 캔슬링 / 블루투스 

Dimensions : Length: 8.03” (204 mm)

Width: 7.68” (195 mm)

Depth: 1.89” (48 mm)

Weight : 0.64 lbs

Exterior : Color: Light Gray

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 15 hours (with music playback over Bluetooth, ANC on, hands-free Cortana² enabled)¹

Up to 18 hours of battery life by disabling Cortana voice-activation²

USB cord length : 1.5 m

Audio cable length : 1.2 m