Plantronics - CS540 Wireless DECT Headset (Poly) - Single Ear (Mono) Convertible (3 wearing styles) - Connects to Desk Phone - Noise Canceling Microphone Thermostats Pigtail Driver: Low Voltage Disconnects:

Pigtail Driver: Low Voltage Disconnects: Weatherproof

Its operation is also very simple

SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns

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Place of Business ‎Dongguan

Plantronics - CS540 Wireless DECT Headset (Poly) - Single Ear (Mono) Convertible (3 wearing styles) - Connects to Desk Phone - Noise Canceling Microphone Thermostats Pigtail Driver: Low Voltage Disconnects:Wireless DECT Mono Headset Convertible Office Communication Headset with Noise Canceling Microphone Description Upgrade your workspace with this wireless DECT mono headset designed for clear and comfortable office communication. Featuring a lightweight convertible design, this office communication headset supports multiple wearing styles for a personalized fit during extended work sessions. The noise canceling microphone helps reduce background