Plantronics Supra H51(N), H61(N) and Polaris P51(N), P61(N) Series Headset Date Codes

Supra Models H51, H61, H51N, and H61N
Polaris Models P51, P61, P51N, and P61N

The date code is under the ear cushion and is represented by four numbers for the month and year.  In the example below, 02-05 stands for February 2005.

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