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Care and maintenance
CX 350BT | 19
Care and maintenance
▷ Clean the product only with a soft, dry cloth.
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.
Information on the built-in rechargeable
battery
Sennheiser ensures and guarantees that the rechargeable battery
performs at its optimum upon purchase of the product. If, upon pur-
chase or within the warranty period, you suspect that the recharge-
able battery is obviously defective or if a charging error/battery error
is displayed (
> 6), stop using the product, disconnect it from the
power supply system and contact your Sennheiser partner. Your
Sennheiser partner will coordinate the repair/replacement with you.
Do not return a product with a defective battery to your dealer or
Sennheiser partner unless requested to do so. To find a Sennheiser
partner in your country, search at www.sennheiser.com/service-
support.
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.
▷ Keep all liquids far away from the product.
▷ Do not use any solvents or cleansing agents.
XS S
M L
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