This product is either discontinued or we cannot get that from suppliers.
JABRA 2406-820-205 Biz 2400 Ii Mon, 3-1 Biz 2400-2420 2406-820-205, Over-the-head, Monaural Boom, Wired, Supra-aural, Smartphone, HD voice and HiFi sound, Unbreakable 360° FreeSpin boom arm, Lightweight, all-day comfort.
The Jabra Biz 2400 was developed with one goal in mind to be the world's best corded contact center headset, delivering both best in class noise cancellation and acoustic shock protection.