Plantronics CS540 Wireless Convertable DECT Headset with HL10 Lifter

Specification

Connection for: desk phones via included cable and HL10 handset lifter
Ideal for: employees in the office and at desks who use desk phones and need a solution for answers remotely
Audio performance: with the noise cancelling microphone, keep background noise away from your conversation
Talk time & range of movement: work better, hands free, with a range of up to 120m/400ft. Talk all day with up to 7 hours of talk time per charge
Wearing style: monoaural, lightweight convertible (which can be worn either over the ear, over the head or behind the head)