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The Plantronics CS50 Wireless Office Earset System brings the ultimate in mobility and handsfree conversations to your phone. The CS50 gives you eight hours of talk time and the wireless convenience to roam up to 300 feet with secure conversations.
Operating Frequency 900 MHz digital Earset Battery: Li Ion Polymer 8 hours of wireless, hands-free talk time Digital 900MHz for secure conversations Fully recharge the headset in less than three hours. 80% recharged in 1.5 hours Have clear, private and completely secure conversations Be heard clearly with a noise-canceling microphone Optional behind-the-head style is also available Security/Privacy: Digitally encrypted Convertible headset that can be worn over-the-ear or over-the-head