OvisLink Call Center Headset for Grandstream IP Phones &#9989; OvisLink Single Ear Grandstream Headset. Compatible with Grandstream GXP2170, GXP2160, GXP2140, GXP2135, GXP2130, GXP2124, GXP2120, GXP2110, GXP2100, GXP2020, GXP2010, GXP1450, GXP1200 &#9989; OvisLink Corded Noise Cancelling Microphone Headset with RJ9 Headset Adapter (Quick Disconnect Cord) for Grandstream IP phones. Premium voice quality Call Center Headset for professional usage. Advanced featrues include Acoustic Shock Protection, Noise Canceling and RF-Shield. &#9989; Simple to use, Connect the comes with RJ9 Quick Disconnect Cord to Grandstream IP phones Headset Jack, no need additional adapter. Press headset button on the phones keypad to use the headset. All phone functions control by the phone keypad can also be used for the headset. &#9989; Comfortable to wear All-Days. Over-the-Head Style, Lightweight, Smooth leatherette ear cushion, Tangle-Free headset cord and Rotatable Microphone let user place the earpiece on the left or right ear anytime. &#9989; Durable for Call Center agents to use for all-days. 2 YEAR WARRANTY AND 30 DAY GUARANTEE  We stand behind the quality of every one of our products which is why were happy to offer you a 2 year warranty and 30 day guarantee on your Ovislink Grandstream Phone headset.