Dell, Headsets, models:

AE2	User Manual
Alienware 310H	User Manual
Alienware 510H 7.1	Conftguration And Installation Manual
BH200	Owner'S Manual
HS2201	User Manual
IE600	User Manual
Pro WH3022	User Manual
Pro Wireless Headset	User Manual
UC150	User Manual
UC300	User Manual
UC350	User Manual
WH1022	Quick Start Manual
WL7022	User Manual