This product is either discontinued or we cannot get that from suppliers.
JABRA Biz 2400 Ii Mono Usb 2496-823-309, Speaker Ø 30 x 7.2mm, Noise cancelling, Uni-directional, Boom arm 360°, Leatherette, Speaker 6.8, Call Control, Crystal clear sound, Easy to deploy and manage, Best quality and the lightest.
The Jabra Biz 2400 II 2496-823-309 is a Wired Monaural Headset that has Call Control, Noise Cancelling Microphone with QD connection and Microsoft Certified Skype for Business devices.