Your hearing instruments should be stored and transported with-
in the temperature and humidity ranges of -20°C to +40°C (-4°F
to 104°F) and 10%-95% rH.
Storage and transportation up to 60°C (140°F) with 10%-95% rH
can be accepted in shorter periods (duration of max. of 2 weeks).
Your hearing instruments are designed to operate from 0°C
(32°F) to 50°C (122°F).
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