MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Mobile telephone headset amplifier allows user to talk on phone 150 ft. From base unit; connects to single or multi-line corded telephones; phone, talk, mute and charge indicator lights; pager/locator for remote unit; channel change; mute indicator light; compatible with plantronics 2.5mm to quick disconnect h-series headsets; 9vdc; 800ma; 120vac adapter provided; nimh battery; 80 hr. Stand-by time; 900 mhz