Plantronics CS540 Wireless DECT Headset

Used only once.

Connects To: Desk phones via included cable.
Ideal For: Office and desk-centric workers using desk phones
Audio Performance: Keep background noise out of your call with a noise-canceling microphone.
Talk Time & Roaming Range: Work Better, Hands Free, with a roaming range of up to 120 m/400 ft. Talk all day with up to 7 hours of talk time per charge.