Buy | Cs540

: At just 21 grams, it is one of the lightest wireless headsets on the market. It features a convertible wearing style, allowing it to be worn over-the-ear, over-the-head, or behind-the-head.

The Poly CS540 (formerly Plantronics) Go to product viewer dialog for this item. buy cs540

: Provides up to 7 hours of continuous talk time per charge. : At just 21 grams, it is one

: It offers a roaming range of up to 350 feet (120 meters) and features a noise-canceling microphone to filter out office background noise. : At just 21 grams

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