• Optima HD voice• Microphone pickup 2 meters• Full-duplex technology• Noise suppression (NS)• Digital Signal Processing (DSP)• Acoustic echo cancellation (AEC)• Talk time: 12 hours• Standby time: 450 days
• Optima HD voice• Microphone pickup 2 meters• Full-duplex technology• Noise suppression (NS)• Digital Signal Processing (DSP)• Acoustic echo cancellation (AEC)• Talk time: 12 hours• Standby time: 450 days