Frequency Response: 140Hz-16KHz
Support wideband speech and HIFI audio
Volume: adjustable to 85 dBA at 1.6 ft (0.5 meter)
Omni-directional microphone, 360-degree coverage
Frequency Response: 50Hz-8KHz
Supports wideband and narrowband speech
3.5mm jack
Frequency Response: 20Hz-20KHz
Audio Enhancements
Acoustic echo canceller
Noise reduction
Automatic gain control
Speakerphone
Travel case
User documentation
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1 year warranty and delivery done countrywide