Check at following Merchants
Specifications
ManufacturerPlantronics
ModelRig 800HD
Part #206800-01
TypeCircumaural
Frequency Response20 Hz - 20 kHz
MicrophoneYes
WirelessYes
Enclosure TypeOpen
ColorBlack / Gold
Active Noise CancellingNo
ConnectionStereo 3.5mm Audio
Channels2.0
Impedance32 Ω
Sensitivity at 1 V RMS111 dB