Bluetooth is chosen. You can communicate by Bluetooth. How to use. 1. A fellow "Of this device, it's possible to detect it, it's done. " Tap. 2. Other, "a device is connected. ", tap. 3. When it can be connected, a wild boar indicates controller "and" display, so tap. 2. When it's so and it's difficult to connect, "a device is connected. ", tap.