Meet the Freefly VR headset: a wearable device that lets you use your smartphone to experience virtual reality. The device tracks your 360° head movements and provides you with an immersive experience with a 120° Field of View. It works with iPhone 6, iPhone 6 Plus, and Samsung Galaxy phones (4.7″ to 6.1″).
Freefly VR turns your phone into a virtual reality device. It has a lightweight design and ships with a Bluetooth wireless controller. Sets you back under $80.