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• Only use the charger approved by the manufacturer to charge the earphone.
• Charge the headset if it has not been used for more than 3 months.
• This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
• Do not dispose of the battery in or close to an open re as it may cause
explosion.
Warning