Streamers are smart and discreet accessories. The hearing aids connect to the Bluetooth frequency to pair up with Android devices, either directly or via a wireless streamer. There are also Bluetooth hearing aids for Android. They use Bluetooth wireless connectivity to link directly to iPhone and other devices on the iOS platform, such as iPad and iPod touch. There are Bluetooth hearing aids for compatible Apple devices that are called Made for iPhone, iPad or iPod touch (MFi) hearing aids. You could also stream music from your iPad or iPod touch to your hearing aids. Using the Bluetooth frequency, you can stream calls and audio from your iPhone to your Bluetooth hearing aids. Bluetooth hearing aids do exactly what the name suggests, they connect to Bluetooth wireless technology.