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the teacher's voice can also be heard simultaneously with the audio signal
The membrane filter technology is specifically designed to provide the most linear attenuation possible across all frequencies
The ConnectClip enables hands-free phone calls
the Insera can disappear completely or half in the ear canal and is virtually invisible from the outside
Volume control via push buttons on the transmitter
phonak serenity choice comfort ASHA_Nein the teacher's voice can alsoPhonak Serenity Choice SLEEP Hearing protection with filter The Phonak Serenity Choice COMFORT hearing protector is suitable for travel and the office. It reduces background noise and improves concentration while working and learning. The hearing protector is designed to reduce all noises to normal levels in noisy environments such as the office, school, home or when traveling by plane, train or car. When you need to concentrate and ambient noise
