You can hear the sound of audio equipment such as TV directly with a hearing aid using radio waves in the 2.4 GHz band. Also, by using it as a wireless microphone or connecting it to an FM receiver, you can hear the sound from the FM receiver with a hearing aid.

The stick remote control transmits radio waves to the hearing aid, and can control the volume and memory of the hearing aid.

When the hearing aid remote control app (Smart Control) is installed on smartphone, you can change volume of the hearing aid and perform switching memory from your smartphone.
Furthermore, you can check volume, memory and battery level of the hearing aid on the large screen of the smartphone. There is also a feature that will help you find your hearing aid if you lose it. (This app can only be used on android smartphones.)