Atari Jaguar
A virtual reality headset compatible with the console, tentatively titled the Jaguar VR, was unveiled by Atari at the 1995 Winter Consumer Electronics Show. The development of the peripheral was a response to Nintendo's virtual reality console, the Virtual Boy, which had been announced the previous year. The headset was developed in cooperation with Virtuality, who had previously created many virtual reality arcade systems, and was already developing a similar headset for practical purposes, named Project Elysium, for IBM. The peripheral was targeted for a commercial release before Christmas 1995. However, the deal with Virtuality was abandoned in October 1995. After Atari's merger with JTS in 1996, all prototypes of the headset were allegedly destroyed. However, two working units, one low-resolution prototype with red and grey-colored graphics and one high-resolution prototype with blue and grey-colored graphics, have since been recovered, and are regularly showcased at retrogaming-themed conventions and festivals. Only one game was developed for the Jaguar VR prototype: a 3D-rendered version of the 1980 arcade game "Missile Command", entitled "Missile Command 3D", though a demo of Virtuality's "Zone Hunter" was also created for Jaguar VR demonstrations.
NeuroSky
Research Products: Neurosky has produced a number of research products (generally very similar to their direct to consumer products ). These products have been widely adopted due to positive reviews by early adopters with Richard Reilly Ph.D., professor at Trinity College in Dublin stating that, “We have been impressed with the quality of data from the MindKit Pro, compared to our gold-standard EEG acquisitions system. It has opened new possibilities for the remote monitoring patients’ activity a great benefit in patient care.” 
Mind Kit & Mind Set: The Mind Set (referred to as the Mind Kit in early press releases) was NeuroSky's first direct to consumer product. With a number of prototypes sold in 2007. The Mind Set was the first direct to consumer BCI product under $1000 ever made. The MindSet consisted of headphones with three sensors on one ear piece and another on a flexible arm coming off of the headphones that sat on the forehead. The headphones had a wireless Bluetooth connection and came with a small Bluetooth dongle. The first non-prototype models were sold for $199.