Dual Ear Mobile Call Center Headset for iPhones (not for iPhone 3) Call center headset compatible with iPhone 5 and iPhone 6 (not include iPhone 3 and 4) Call Center Headset with Over-the-Head style design, Corded, Dual Ear Over-the-Ears Comes with a 4 conductors' 3.5mm Quick Disconnect cord. Click-Stop adjustable headband. Rotatable, flexible microphone boom. Tangle-less headset cord. 2 Years Manufacture Warranty Included!