. FREQUENCY RESPONSE 20 Hz – 20 kHz IMPEDANCE None SENSITIVITY None DRIVER SIZE - DIAMETERS (MM) 40 mm DRIVER TYPE 2 x 40 mm dynamic drivers EARCUPS Circumaural INNER EARCUP DIAMETER Width: 69.5 mm / 2.73" Length: 91 mm / 3.58" EARPADS MATERIAL Protein Leather / Nylon NOISE CANCELLING Active Noise Cancellation CONNECTION TYPE Wireless via Bluetooth 5.0 CABLE LENGTH 0.5 m length USB-A to USB-C charging cable APPROXIMATE WEIGHT 270 g / 0.59 lbs MICROPHONE STYLE 2 for active noise cancellation technology, 2 for voice chat PICK-UP PATTERN None MICROPHONE FREQUENCY RESPONSE None MICROPHONE SENSITIVITY (@1KHZ) None VIRTUAL SURROUND ENCODING None VOLUME CONTROL Yes (VOL + and VOL – Wheel) OTHER CONTROLS None BATTERY LIFE Up to 30 hours with ANC on / up to 40 hours with ANC off LIGHTING LED for indicating power, pairing and charging status COMPATIBILITY BT Connection: Mobile / System