All printers are delivered with cable to connect the printer to your tablet.

0.5 m is perfect if you use a iPad + printer combination stand.

2 m is great for wall mounted applications.

1 m should be good for everyone else.

USB: Use a cable between your printer and iPad.

Bluetooth: Connect wirelessly to your iPad.

Ethernet: Connect the printer to your local network (require network expertise).

Printers use 80 mm wide thermo rolls, which you can buy from many stores, including office supply stores, engros partners etc.