Pocket WiFi, also known as MiFi, WiFi dongle, is a portable WiFi router that works as a mobile hotspot and allows you to access the internet. Pocket WiFi functions the same way as your wireless router at home does. The defining difference being that Pocket WiFi is compact, portable, and does not require any set-up or installation.
Simply turn it on, put the password and you can securely connect your smartphone, tablet, laptop, etc. to the internet anywhere in Japan.
For instructions with pictures check our blog post: No Brainer! Setting Up Pocket WiFi in 10 Seconds