Avantree BTCK-10B Podręcznik użytkownika - Strona 11
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degrade the performance and/or reduce battery life.
Do not modify, repair or disassemble device at discretion (especially battery: It may
cause an explosion). Doing this will avoid the warranty.
Do not place heavy objects on the device.
Use only supplied and approved charger.
Replacement or service must be done by qualified service center or manufacturer.
Unplug this device when unused for long periods of time or during lightning storms.
CAUTION: ELECTRIC SHOCK HAZARD
The battery used in this device may present a risk of fire or chemical burn if mistreated.