HP Poly APC-43 EHS Cable for CS Wireless on Cisco Phones 85Q55AA - TAA Military headsets manage calls from up to

manage calls from up to 350 feet from the charging base

Convertible Headset replacement for the CS540 Wireless Headset

Yealink Noise Proof Technology

Wideband audio processing

HP Poly APC-43 EHS Cable for CS Wireless on Cisco Phones 85Q55AA - TAA Military headsets manage calls from up toElectronic Hook Switch Cable for remote desk phone call control (answer end). This cable eliminates the need for a HL10 Handset Lifter. This cable works with Cisco desk phones and may work with additional manufacturers. Plantronics has several EHS adapters, each being unique to a specific telephone and wireless product. We strongly suggest confirming compatibility with us before purchasing this item. This replaced the APC 42 EHS cable