Features:

• Very Comfortable and lightweight - no pointy parts or annoying metal headpiece
• Durable
• Adjustable head size
• High quality dynamic microphone for excellent speech clarity
• Uses special noise-cancelling technology
• Excellent noise rejection – won’t pick up unwanted sound
• Dynamic microphone – works in ANY device with a mic input – no phantom “power required”
• Excellent frequency response for crisp and clear sound
• Boom is flexible and can be bent in any direction – stays put and doesn’t move around or fall down
• Very low impedance for maximum signal transfer to input device
• Two plugs instead of one – works in a wider variety of devices
• Comes with ¼” plug adapters

Technical Specifications:

• Plug: Dual 3.5 mm (1/8”) 90˚ Mono (one for mic and one for headset speaker)
• Cord: 1 m ≈ 39” dual coaxial
• Operation: Open-back
• Output impedance: 40 ohms
• Microphone Element: Neodymium Dynamic
• Frequency Response: 30 - 20,000 Hz 
• Maximum Input Power: 50 mW
• Sensitivity (1 mW): 91 dB
• Driver Diameter:40 mm
• Microphone Sensitivity: -55 dB (1.7 mV) re 1V at 1 Pa
• Weight (less cable): 2.5 oz (70 g)