A:Answer Basic answer: That's all you need.
But I do have to say this, unless you have a newer, name brand smart phone(an iPhone 7 and up, or a newer Samsung should do it) I really wouldn't recommend you buy this headset. See I have a cheap Samsung and you can clearly see the pixels when using it. Trust me it will be unenjoyable if you can see pixels. I have never tried any games. The games would need to be downloaded and the controller synced to the phone. Also there is no wired connection and it may be painstaking to add headphones.
All in all I think your child would like this product if he is newer to technology. This was my first VR headset and I have to admit for twice the money I could have had a better experience.
