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- delivers a 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- lightweight and adjustable headband for optimum fit and long-term comfort.
• FLEXIBLE MIC- picks up sound from any direction with remarkable clarity.
• HIGH DURABILITY STEREO CABLE- unique durable design.
• EAR CUSHION- ergonomic and comfortable
• VOLUME CONTROL- durable on-ear knob.