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Phonak PDF on how to install and uninstall the receivers / licenses in to / out from a hearing aid from a Roger iN Microphone - Assistive Listening Devices - Hearing Aid
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Logitech R400 Wireless Presentation Remote, 2.4 GHz, USB-Receiver, Red Laser Pointer, 15-Meter Operating Range, 6 Buttons, Intuitive Slideshow Control, Battery Indicator, PC - Black : Amazon.com.au: Stationery & Office Products
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