How should I care for and store the ANC8 headphones?

Store the headphones in the carrying case in a dry place when powered off. If you don't use them for a long period, charge the battery every 2 months for 1-2 hours. Use a dry cloth for cleaning, avoid dropping them from high places, and avoid extreme temperatures (recommended storage temperature is -40°C to 80°C). The headphones are not waterproof, so avoid exposing them to rain or liquids.

From the official Ausdom ANC8 Noise Cancelling Wireless Headphones manual, page 6

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