Razer announces its Hydra motion sensing PC controller | TechSpot
Razer - Beat Portal 2 with your Razer Hydra and looking for your next fix? Look no further as we are providing fully integrated motion gaming support for Valve's titles, both present
Razer Hydra
Razer Hydra + Portal 2 gamecontroller - Hardware Info
Controller:Razer Hydra - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
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Razer Hydra, With Sixsense Technology Motion Control » CnwinTech