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How do I know if my smartphone will work with Cardboard?

On every product page there is a link labeled “see if your phone is compatible”. By clicking that link you will be able to see which smartphones work with the Cardboard model in question.

Which countries does Knoxlabs ship to?

In general we ship all over the world. If there is an issue with shipping to your country please send an inquiry to and we will do our best to remedy the problem.

How long will it take for my package to arrive?

Knoxlabs is based in Los Angeles, thus domestic shipping takes about 5-7 business days, while international shipping might take anywhere from two weeks to one month.

Does Knoxlabs ship with DHL?

Generally speaking, no. Knoxlabs usually ships with USPS, however if you have a specific request please send a message to and we will try to work something out.

Will I have to assemble the Cardboard myself?

With most Cardboard models you can order either an assembled or unassembled model. The former requires you to put the Cardboard together, while the latter arrives as a pre-assembled viewer.

How do I assemble my Cardboard?

Assembly for each of our viewers is quite easy. Each Cardboard kit comes with detailed instructions. However, if you need more guidance you can find some helpful videos on our YouTube channel.

Do the Cardboard viewers come equipped with head straps?

No, at the moment we do not offer head straps for any of our VR viewers. This is mainly for safety reasons.

Do the Cardboard viewers come with NFC tags?

No, Knoxlabs no longer offers viewers with NFC tags.

How can I order custom Cardboard or viewers in bulk?

If you would like us to design custom Cardboard viewers, or are looking to purchase viewers in bulk, please send an inquiry to We will be happy to work with you to meet your specific VR needs.

How long will my Cardboard last?

This of course depends on how the Cardboard is kept. However, with proper use and care, the average Cardboard viewer should last for several years.