Plantronics HW530-CIS is a Cisco IP Phone Certified headset. HW530-CIS is an on-the-ear only headset ideal for a typical office worker. It's very easy to put on and take off if you're busy working. The Plantronics HW530-CIS delivers high wide-band HD quality audio for the Cisco IP Phone. It has a flexible mic with positioning guides to help you setup. It comes complete with soft ear cushions 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)

• Plantronics HW530-CIS is lightest Cisco IP Phone headset on the market.

• Plantronics Quick Disconnect (QD) provides convenient disconnect from phone

• Flexible noise canceling microphone boom allows you to adjust for the best voice quality

• Wideband HD audio with SoundGuard technology for best sound

• Plantronics HW530-CIS is designed for heavy call center environments

• Weight: 22g

• Plantronics 2-year warranty

<= This headset has a RJ-9 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 HW530-CIS datasheet