Headphone
Driver : Custom dynamic, 40mm with neodymium magnets
Type : Circumaural, closed back
Frequency response : 10Hz–40,000Hz
Impedance : 40 Ω
Sound pressure level : 100dBSPL/mW at 1kHz
T.H.D. : < 2%
Weight : 260g
Weight with mic : 275g
Cable length : Detachable headset cable: 1.3m
PC extension cable : 2m
USB charging cable : 0.5m
Connection Type : Detachable headset cable: 3.5mm plug (4 pole)
PC extension cable : 3.5mm stereo and mic plugs

Boom microphone
Element : Electret condenser microphone
Polar pattern : Noise-cancelling
Frequency response : 50Hz-18,000 Hz
Sensitivity : -42dBV (0dB=1V/Pa,1kHz)

Built-in microphone
Element : Electret condenser microphone
Polar pattern : Omni-directional
Frequency response : 50Hz-8,000 Hz
Sensitivity : -33dBV (0dB=1V/Pa,1kHz)

Battery life
Bluetooth : 20 hours

Bluetooth
Bluetooth Version : 4.2
Wireless Range : Up to 10 metres