Plantronics Encore H91, H91N, H101 & H101N Corded Headset Date Codes
The date code of the Encore family of headsets will be located on the speaker, under the ear cushion. If a binaural model, the code will be on the microphone side. The first number represents the month (1=January, 2=February…). The two numbers following the dash represent the year (05=2005). Next is the model of the … Continued