A4tech HU-30 ComfortFit Stereo USB Headset

Product details of A4Tech HU-30 Comfort Fit Stereo USB Headset Style: On-the-Head Speaker: 40 mm Frequency Range: 20 Hz-20 KHz Impedance: 32 Ohm RMS: 50 mW Sensitivity: 102 dB MIC Sensitivity: -45 dB Cable Length: 2 m Plug: USB Controller: Volume knob on the headset System Requirements: Windows 7 / 8 / 8.1 / 10 / Mac OS X INNER ACOUSTIC CAVITY- delives as well-balanced sound of astonishing quality. 40MM HIGH PERFORMANCE DRIVER UNIT- superior NDFeB magnet driver unit for stunning clarity and a bass impact that you can feel. ADJUSTABLE HEADBAND- light weight ang adjustable headband for optimum fit ang long term comfort. FLEXIBLE MIC- pick up sound from any direction with remarkable clarity. HIGH DURABILITY STEREO CABLE- inique durable design. EAR CUSHION- ergonomic and comfortable VOLUME CONTROL- durable on-ear knob.