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Amazon.com: Perixx PERIBOARD-325 Wired Backlit Aluminum USB Keyboard, Compatible with Mac OS X, X Type Scissor Keys Slim Design with 2 Built-in USB Hubs, US English Layout : Electronics
Logitech made a VR keyboard kit so you can type in the Vive - The Verge
US8903517B2 - Computer device and an apparatus having sensors configured for measuring spatial information indicative of a position of the computing devices - Google Patents