TU-03.pdf

Do not disassemble or modify the device. Do not perform any operations not specified in the manual, as this may cause malfunctions. Do not attempt to repair or replace parts yourself. If the device is used or stored in extreme temperatures, high humidity, or other hazardous environments, it may cause damage or malfunction. Do not insert foreign objects or liquids into the device. If the device is not functioning normally or is damaged, turn it off immediately and contact the manufacturer or authorized service center. Always supervise children when using the device, and do not let them handle it. Do not drop the device or subject it to strong impacts, as this may cause damage or malfunction. Handle lithium batteries with care, and do not recharge, heat, disassemble, or dispose of them improperly. If a lithium battery is ingested, seek medical attention immediately.