LOG-G733-WHITE-OPENBOX TECHNICAL SPECIFICATIONS HEADPHONE Driver: PRO-G 40 mm Frequency Response: 20Hz-20KHz Impedance: 39 Ohms (passive), 5k Ohms (active) Sensitivity: 87.5 dB SPL/mW MICROPHONE (BOOM) Microphone Pickup Pattern: Cardioid (Unidirectional) Size: 6 mm Frequency Response: 100Hz-10KHz Wireless range: Up to 20 m 1May vary based on user and computing conditions. Battery life is based on headset volume set to 50%. Connection Type: LIGHTSPEED wireless via USB