RH-200-3

• Enjoy   music and calls in HD audio with enhanced bass and noise cancellation   technology    

• Lithium Ion battery allows up to 8 hours of continuous talk time    

• Automatic optimal channel selection avoids RF interference    

• Dual antenna for better overall reception from all directions and at a   distance    

• 1 USB receiver connects up to 4 headsets at once    

• Mute microphone or speakers from a distance    

• Microphone: built in    

• Frequency range:20 Hz-20 kHz    

• SNR: 90 db    

• Voltage: 3.7V    

• Current: 37.5 mA (medium volume)    

• Li Battery capacity: 300 mA    

• Charging time: 1.8 hours    

• Range: 10 meters