Audicom Mono Call Center Headset Headphone with Mic and Quick Disconnect for Grandstream IP Phones GXP1400 GXP1405 GXP1450 GXP2124 GXP2120 GXP2140 GXP2140 GXP2160 GXP2110 GXP2100 GXV3006 (300QDGXPD) Direct connect over-the-head headset headphone, No additional amplifiers or adapters required, Most easy setup headset solution. Superior quality sound with the flexible adjustable noise cancellation microphone. Super Lightweight, Super Durable Headset with Comfortable ear and mic cushions. NO Mic Mute / Volume Control built in. ONLY PURCHASE IF YOU HAVE ONE OF THE PHONE MODELS LISTED BELOW IN DESCRIPTION, CHECK OUR STORE FOR HEADSETS FOR OTHER PHONE MODELS OR CONTACT US FOR COMPATIBILITY GUIDE!