Jabra Evolve 40 UC Mono USB Headset w/ Integrated Busy Indicator | Certified for Unified Communications, VoIP softphones, mobile phones and tablets | 6393-829-209
Jabra Evolve 40 MS Mono Headset – Microsoft Certified Headphones for VoIP Softphone with Passive Noise Cancellation – USB-Cable with Controller – Black : Amazon.co.uk: Electronics & Photo