Check the listing for details. Jabra Evolve 40 GN Mono Headset with ENC010 USB-A Controller. Color: Black, Condition: Used, Made in China. Listed at 23.00 USD. The Jabra Evolve 40 GN Mono Headset with ENC010 USB-A Controller is a sleek black headset designed for comfort and convenience. With a headband form factor and adjustable magnetic boom microphone, it offers a secure fit and easy microphone control. It features passive noise cancellation, volume control, and a microphone mute button for added functionality. Perfect for laptop and desktop use, this headset provides USB and 3.5mm jack connectivity for versatile usage. Made by the trusted brand Jabra, this headset is a reliable choice for those seeking a high-quality sound experience. PLEASE CONTACT ME FIRST IF THERE IS A PROBLEM WITH YOUR PURCHASE BEFORE OPENING A CASE OR LEAVING NEGATIVE FEED BACK,I WILL DO MY BEST TO RESOLVE THE ISSUE. THANK YOU