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[[HoloLens Clicker]] is the [[Input Device]] for the [[Microsoft HoloLens]]. Developed by [[Microsoft]], the small remote has a single button along with [[rotational tracking]]. It allows a user to click and scroll with minimal hand motion as a replacement for the air-tap gesture.

==Introduction==

The HoloLens Clicker is a peripheral device for Microsoft HoloLens (figure 1) <ref name=”1”> Greenwald, W. (2016). Microsoft HoloLens Development Edition. Retrieved from www.pcmag.com/review/347119/microsoft-hololens-development-edition</ref>. It was designed exclusively for that augmented reality (AR) device, allowing for another way to control and interact with the holograms displayed by the AR headset <ref name=”2”> Microsoft (2016). Use the HoloLens Clicker. Retrieved support.microsoft.com/pt-pt/help/12646/hololens-use-the-hololens-clicker</ref>. It is a miniature controller that lets the user click on whatever he or she is looking at, since there is a small dot in the center of the user’s view functioning as a cursor. Hand motion is used for the drag and drop command, since the Clicker has motion sensors on board <ref name=”5”> Rubino, D. (2016). My first 24 hours with Microsoft HoloLens and awesome things I learned. Retrieved from /www.windowscentral.com/my-first-24-hours-microsoft-hololens</ref>. The user clicks and holds with the Clicker, and then slowly moves the hand to drag objects. This function is mainly used for resizing windows and holograms as well as scrolling up and down documents in Edge <ref name=”1”></ref> <ref name=”3”> Wilhelm, P. (2016). Microsoft HoloLens Bluetooth Clicker is our first glimpse at a possible controller. Retrieved from www.techradar.com/news/wearables/microsoft-s-hololens-bluetooth-clicker-is-our-first-glimpse-at-any-controller-1315623</ref>. It also makes typing an easier endeavor, where the user can look at the letters in the keyboard and click on the device to select them. The HoloLens Clicker can be used in addition or instead of the “air-tap” gesture <ref name=”5”></ref>.

==Hardware==

The Clicker attaches to the user’s finger via an elastic strap (figure 2). It uses Bluetooth and its design aims for simplicity <ref name=”3”></ref> <ref name=”4”> Petty, J. (2016). I used the Microsoft HoloLens and I can’t stop thinking about it. Retrieved from www.ign.com/articles/2016/09/06/i-used-the-hololens-and-i-canat-stop-thinking-about-it</ref>. It only has one button, and is charged over Micro USB <ref name=”7”> Tom Warren (2016). Microsoft’s HoloLens Start menu detailed in leaked video. Retrieved from www.theverge.com/2016/2/23/11098332/microsoft-hololens-start-menu-bluetooth-clicker</ref>. The first details for this device emerged in February of 2016, when a leaked quick-start guide was posted by Twitter user WalkingCat <ref name=”2”></ref> <ref name=”7”></ref>.