This cheap hearing aid also gives you the sound from the speaker irregardless which direction it comes from. How does this works? Basically this SpeechFocus has a four-channel adaptive directional microphone system which detects the origin of the speaker continuously. It processes every source The Navajo Medicine Man Remedy of the sound. Understanding that, it suppresses off unwanted sound and does hearing amplifier to produce the correct sound.Siemens Motion also has a SoundLearning 2.0 capability. It learns the user habits of adjusting the hearing aid in different environment. These environment and adjustment is recorded and analyised. After much learning, once it detects the environment, it will automatically adjust the settings. This minimise the trouble for the user to keep adjusting the setting. A very well programmed function of Siemens Hearing Aid.