Sennheiser CX 400BT Series Instruction Manual page 29

Care and maintenance of the earbuds/charging case
Care and maintenance of the
earbuds/charging case
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
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Keep all liquids far away from the product.
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Do not use any solvents or cleansing agents.
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Clean the product only with a soft, dry cloth.
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You can clean the silicone ear adapters under lukewarm running
water. Allow the ear adapters to dry at room temperature for at
least 12 hours before putting them back on the earbuds.
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Clean the charging contacts on the earbuds and in the charging
case from time to time using e.g. a cotton swab.
Replacing the ear adapters
For reasons of hygiene, you should replace your ear adapters from
time to time. Spare ear adapters are available from your Sennheiser
partner.
1. Pull the ear adapter away from the in-ear sound tunnel.
2. Mount the new ear adapter to the in-ear sound tunnel. Ensure that
it locks into place.
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CX 400BT True Wireless | 29
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