Plantronics Supra Plus HW251 Headset with M22 Vista Amplifier - Complete!
Amazon.com: Factory Essentials HD251QD with U10 - Mono headset with USB-A Adapter. Comparable to Plantronics SupraPlus HW251 with DA45. Works with Phones and PC : Electronics
Jabra GN2100 vs Plantronics HW251 - Headsets Direct