Jabra GN 9330 NC USB USB wireless headset makes all your PC-based IP telephony - Newegg.com
Battery 3.7V 180mAh Lipo for 9330 Jabra GN Netcom wireless headset
Jabra Headband for GN 9300 Series Headsets (Headband for Jabra GN9330/ GN9330e, GN9350/GN9350e and GN9330/GN9330e USB headsets).: Amazon.co.uk: Electronics & Photo
GN Netcom 9330 GN 9330 Wireless Office Headset System 9327-508-105
Jabra / GN Netcom Spare Replacement Headband for GN9330 GN9350 Cordless Headset | eBay