Bandai Vital Bracelet Digital Monster Version Black

You can Digivolution character according to the amount of activity such as your heart rate and steps. VITAL BRACELET Digital Monster ver. BLACK  is now available from the wearable LCD toy series VITAL BRACELET.

NFC-equipped smartphones that have a built-in NFC chip and are in a state of emitting radio waves with apps, etc.
By touching IC devices such as card readers in the city, Digimon can auto-battle.
If you use the dedicated app, you can Digimon, register the picture book, and battle online.

By inserting an optional Dim Card, you can change the Digimon.