Super Durable: Precision design, quality plastics, unibody headband construction, superior quality microphone makes this call center headset sturdier and more durable. Plantronics: A100 S10 S11 S12 S50 T10 T20 T50 T100 T110 SP-02 SP-04 SP-05 A100 T50 T100 PLX-400 PLX-500.
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