Lenovo's mixed reality headset offers built-in tracking for $350
 

Windows Mixed Reality headsets are coming out of the woodwork at IFA, and now it's Lenovo's turn to add to the introductions. It's launching the Explorer, and the headgear will sound very familiar if you've seen other models -- not that this is neces...

https://www.engadget.com/2017/08/31/...ality-headset/