***** Best Quality Guranteed. *****Very endurable and comfort designed for call center and office users. 3 Year warranty. flexible microphone boom arm with 270 degree rotation of selective wearing for left or right ear. Ergonomic curved headbands for comfort wearing with smooth click stop for adjustment and strong connection between headband and speaker body. 2.5 mm jack curly clable with Plantronics style QD " *****Grandstream GXP-2010, GXP-2020, GXP-2100, GXP-2110, GXP-2120, GXP-280, GXP-285, BT200, BT201 GXP-2000(Version 1.0 higher with 2.5 mm Headset Socket)Panasonic KX-NT136, KX-NT343, KX-NT346, KX-NT366, KX-T 7603, KX-T 7625, KX-T 7630, KX- T7633, KX-T 7636, KX-T 7730, KX-T 7735 *****Gigaset C610 IP, C620HZultys
Technologies: ZIP 4x4, ZIP 4x5 IP Phones Snom M9 *****IF YOUR PHONE IS NOT ON THE LIST, PLEASE CONTACT US TO CHECK THE COMPATIBILITY.