Great for noisy office environments, the ANC-750L Stereo Analog PC Headset uses Active Noise Cancellation Microphone Technology for more accurate and reliable communication. The ANC 750L has been awarded the coveted "6 Dragon" rating for speech recognition by Nuance.

• Active noise-canceling (ANC) microphone meets the highest standards to receive the coveted "6 Dragon" rating for speech accuracy by Nuance
• Pro-Flex wire microphone boom for perfect placement
• 40mm mono (monaural) speaker with deep bass sound delivers crystal clear audio
• Comfortable foam ear cushion
• Reversible for left or right side usage
• Stainless steel adjustable headband folds flat for storage
• Convenient in-line mute control
• Extra long 8-foot shielded cable with quick disconnect connector and color-coded 3.5mm plugs for PC use

• Connections:
• Microphone Plug 3.5mm/Pink
• Speaker Plug 3.5mm/Green
• Microphone:
• Noise Cancellation 6 dB/octave
• Frequency Range 100-10,000 Hz
• Impedance at 1kHz 650 Ohms
• Electrical Signal-to-Noise Ratio 60dB
• Sensitivity at 1 kHz (0 dB = 1 V/Pa) -28dB
• Current Consumption <0.800mA
• Speakers:
• Frequency Range 50-20,000 Hz
• Coil Resistance 32 ohm
• Sound Output from 1 kHz 0.1V Peak Input 82dB
• Max. Input Power 100mW