Here is another virtual reality headset that combines with your smartphone to provide you with an immersive video viewing experience. The Virtoba X6 VR Headset has a 120-degree field of view. It fits iPhone 7/6 Plus, Samsung S8, and other smartphones between 4.7″-6.2″.
The headset has a 720-degree surround sound system. It is made of durable, comfortable to wear materials and allows focus adjustment. Costs under $40 at this time.