The Plantronics Cs55 Wireless Bluetooth Spare Headset with Ear Hook is a single earpiece canal earbud designed for use with home telephones. It features wireless Bluetooth connectivity and a black color. The headset is manufactured in the United States by Plantronics and is part of their C540 model line. The ear-hook form factor provides a secure and comfortable fit. The headset is a spare accessory for use with compatible Plantronics base units.

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