... 6050, whilst the other uses the more recently released 9DoF BMX055 sensor board. As both the sensor boards and STM32 are very inexpensive, their combination offers one of the most cost effective and powerful hardware combinations available for a VR Headset. Full OpenXR and OpenHMD compliance means that the Vis3r Headset will plug straight into Steam, along with pretty much anything else that offers a VR interface.