The Mini Microphone (Cochlear) lets you hear far away, and is very useful in noisy environments up to 25 metres. It connects to your cochlear implants via bluetooth, but can also connect to your devices with bluetooth or a wire.
The Roger Touchscreen, which is more suitable for younger children, is a remote microphone device which streams the teachers voice to the students hearing device. It also has a small group mode which enables the children to speak in groups. It can also block out background noise and allow the student to hear the teacher from all sides of the room.
Some other devices available include: the StreamLine Mic, the Roger™ Clip-On Mic, and the Roger™ On