Plantronics TriStar H81 & H81N Corded Headset Date Codes
The date code of the TriStar family of headsets will be located on the side of the headset or quick disconnect connection. The first two numbers represent the month (01=January, 02=February…). The two numbers following the dash represent the year (04=2004). Next is the model of the headset. An “H4” represents the Mirage H41 … Continued