Work Only with DESK PHONE, NOT for Computer.
The Handset Lifter Compatible with Most Desk Phones

NOTE 1: HARD to install on Polycom and Some Mitel phones due to the Phone's Handset Shape and the angle of the phone.
NOTE 2: ASIN B08NWJXBZ6 product is Compatible with all Polycom VVX models with Electronic Remote answering feature

EVEN IF you are far away from a Desk Phone, when an incoming call, you hear melodies in the headset, and you can answer the call once you press the call button on the headset.
INNOTALK wireless headset with the INCLUDED Handset Lifter enable you to roam your office while you talk with and Answer incoming calls within reachable MAX 300 FEET Wireless range(Max. may be reduced by your environment).
NOTE : BlueTooth Headset like Plantroniks Bluetooth Headset / Voyager focus uc ONLY Less 100 feet.

* IMPROVE PRODUCTIVITY as you're able to gather information throughout your office while continuing to talk.
* NOISE CANCELLING MIC filter out background noise
* DIGITAL Signal Processing/DSP makes Outstanding Sound Quality and also eliminates Wi Fi interference and Acoustic protection to protect Ears.
* INCOMING call notification and One-touch call answer/end button, volume control with mute, manage calls within wireless range from the charging base
* CHANGEABLE headset color to Black / Wine color.
* MAX 8 HOURS TALK Time (It will be reduced when operating in high speaker volume or Calls at a long distance, in a state such as a radio wave blocking environment).

This best cordless headset for office phone compete with Plantroniks CS540, CS510, CS50, Savi, Jabra pro 920 Mono wireless headset.