Plantronics EncorePro HW540-CIS Cisco IP phone Certified headset. It has a innovative 3-in-1 headset design. If you don't like one wearing style, you can easily switch to another. EncorePro HW540 is designed with quality and for all day comfort. All 3 styles is simple to convert and is secure to wear with any style you choose. The Plantronics HW540-CIS provides high--quality audio, a flexible microphone with visual positioning guides, soft ear cushions, and super durable and lightweight materials for all day use. 

Certified compatible with Cisco IP phone models:

Cisco IP 69xx
Cisco IP 78xx
Cisco IP 79xx
Cisco IP 88xx
Cisco IP 89xx
Cisco IP 99xx
 

Key Features:

• Includes Cisco cable for the Cisco IP telephones (connect directly to the headset jack)

• Monaural Design (single ear)

• 3 wearing styles - over the head, on the ear, and behind the head.

• Plantronics HW540 is lightest in its class.

• Plantronics Quick Disconnect (QD)

• Flexible noise canceling microphone

• Wideband audio delivers richer, clearer conversations, while SoundGuard technology protects from noise spikes and listening fatigue, helping to meet OSHA/Noise at Work regulations

• Designed for the all day and heavy call center environments, minimizing operational disruptions and costly downtime

• Laser welded construction and metal joints provide unbeatable toughness Extraordinary Service

• Full Plantronics 2-year warranty

<= This headset has a Modular Connection at the end. It plugs directly into your Cisco IP telephones headset port. No amplifier and additional cords are required.

For more detail information see Plantronics HW540-CIS datasheet

Plantronics HW540-CIS optional parts:

Plantronics HW540 Ear Loops (small and large)