This product is either discontinued or we cannot get that from suppliers.
JABRA Biz 2400 Ii Mono Usb 3-1 Mic 2496-829-209, Headset Bluetooth, wireless - USB, On-ear - convertible, Frequency Response 60 - 1600 Hz, Max Input Power 20 mW, Controls Volume, mute button, answer/end, programmable button.
The Jabra BIZ 2400 II Mono USB Noise Cancelling Bluetooth 3-in-1 Headset is a product which comes with an uttermost design and features. It is capable to reduce and minimize unwanted background noise as it has a noise-cancelling microphone.