Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Wireless Headphone Battery Replacement

Wireless Headphone Battery Replacement




1. Remove the battery covers (A) from the wireless headphone by inserting a coin in the locktabs (B) and lifting the covers.
2. Remove the batteries (C) from the wireless headphone.

Replacement Battery Size: AAA




3. Push the on/off button (A), and confirm that the indicator (B) comes on after the batteries are replaced.