Google has published the instructions for making your own viewer from a couple of dollars worth of parts. But the Google cardboard kit was ready to assemble and took you only about a minute to fold where indicated, stick a few tabs into slots, and voilà - it was ready to nestle my phone inside and run the Cardboard app.

• This lens is 25mm diameter with 45mm focal lenght. 
• It is professional for virtual reality glasses.
• It is a simple and inexpensive for DIY Google cardboard.
• Experience approved.
• With Cardboard App, you can DIY a virtual reality glasses, like Oculus Rift VR glasses, and you can control your phone with the magnets
• Quality tested & guaranteed by many customers from different countries.

we are a young international sales team. BIJIA Tech Group is located the capital of China-Beijing to design and develop new optical device. And the Official office located in Beijing. BIJIA’s factory located in Yunnan Province, China. Here is the base of manufacture and Quality Control.

 Beijing Golden Eagle Out-Door & Optics CO., LTD is a sub-branch of BIJIA, and was founded in 2008, it is a modern high-tech enterprises as a whole with a focus on product R & amp; D, production, sales.

It has dabbled in binoculars, magnifier, rifle scope, etc.Sales throughout the whole country, since the inception of our company, it always adhere to the people-oriented, integrity of the business philosophy.

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Address: NO23, Baiwangzhuang Street Yi, Xicheng district, Beijing, China

Web: /

24 hours line: +86-18500992028

Skype: steven15899

           Guarantee Our Quality, Win Customer Trust.  

Payment: T.T/West Union/ Paypal…

Packing: International standard paper packing or custom packing

Transportation: 60% official discount of DHL/TNT/FedEx/UPS air/shipping agency