Amazon.com: Plantronics rig 400 Pro 211357-01 : Electronics
User manual Plantronics RIG 400 (English - 22 pages)
Amazon.com: RIG 400 Performance PC Gaming Headset with Dolby Atmos for Headphones 3D Surround Sound, Removable Active Noise Canceling Mic : Video Games
Plantronics .Audio 400 DSP Black Headband Headsets for sale online | eBay
Plantronics CS530 Wireless Headset Package for Mitel ShoreTel 400 Series IP Phones
PLANTRONICS SAVI 400 SERIES USB WIRELESS HEADSET SYSTEM