The QH2 is a Bluetooth streamer that sends sound from a landline telephone to a Bluetooth headset. It is designed to be used by people with hearing loss to enable the sound to be streamed to their hearing aids and allow them to hear and understand conversation better.
The QH2 communicates via a one-to-one Bluetooth connection. It will only connect with a device that has been paired with the QH2, it cannot randomly connect to non-paired device. The QH2 does not have the ability to store data. Its sole purpose is to transmit voice from the landline phone to the user's hearing aid streamer. It uses a standard Bluetooth headset profile (HSP) for bi-directional voice communication. The profile does not allow for data transfer at all. The QH2 has no data memory at all. It only saves the device it is paired to, not data.