Photo 1 of Plantronics Poly CS540A Convertible DECT Headset - Mono - Wireless - DECT - 393.7 ft - Over-the-Ear - Monaural - in-Ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA Compliant

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Photo 1 of Plantronics Poly CS540A Convertible DECT Headset - Mono - Wireless - DECT - 393.7 ft - Over-the-Ear - Monaural - in-Ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA CompliantPhoto 2 of Plantronics Poly CS540A Convertible DECT Headset - Mono - Wireless - DECT - 393.7 ft - Over-the-Ear - Monaural - in-Ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA CompliantPhoto 3 of Plantronics Poly CS540A Convertible DECT Headset - Mono - Wireless - DECT - 393.7 ft - Over-the-Ear - Monaural - in-Ear - Noise Cancelling Microphone - Noise Canceling - Black - TAA Compliant