Phonak Roger Clip-On Mic User Manual page 44

8. Important information
External devices should only be connected if they
have been tested in accordance with corresponding
IECXXXXX standards.
Only use accessories that are approved by Phonak AG.
Using your device's cables in any way contradictory to
their intended purpose (e. g., wearing the USB cable
around the neck) can cause injury.
When operating machinery, ensure that no parts of
your device can get caught in the machine.
Do not charge device while it is on your body.
Caution: electric shock. Do not insert plug alone into
electrical outlets.
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