English
• Charging via a phone: Connect your earphones to your phone's USB
Type-C port to charge your earphones using your phone. your phone
must support reverse charging ( OTG must be supported ).
Factory
Press and hold the Function button for 10 seconds until the indicator
settings
light flashes red three times to restore your earphones to its factory
restoration
settings.
Safety information
Before using and operating this device, read the following precautions to ensure
optimal device performance and avoid dangers or unauthorized operations.
Operation and safety precautions
●
To prevent hearing damage, avoid using the device at a high volume for
long periods of time.
● Some wireless devices may interfere with implantable medical devices and other
medical equipment, such as pacemakers, cochlear implants, and hearing aids.
Consult the manufacturer of your medical device for more information.
● When using this device, keep it at least 15 cm away from medical devices.
● Use this device at temperatures between 0°C and +45°C and store this device and its
accessories at temperatures between –20°C and +60°C. Extreme heat or cold may
damage this device. When the temperature is lower than 5°C, the battery
performance may be affected.
● When charging this device, ensure that the charger is plugged into a nearby power
socket that is easy to reach. Disconnect the charger from this device and unplug the
charger from the power socket once this device is fully charged.
● Do not expose this device and its accessories to rain or moisture, as this is a
potential fire hazard and may cause you to experience an electric shock.
● Avoid placing this device or its accessories in environments that are too hot (for
example, near heat sources or open flame) or cold as this may cause device
malfunctions or even explosions.
● Do not disassemble or modify this device, insert foreign objects into it, or submerge
it in water or other liquids as this may cause this device to leak, overheat, catch on
fire, and even explode.
● Avoid applying external pressure to this device as this may cause its electronic
circuitry to short or overheat.
● Avoid disassembling or modifying this device and its accessories. Unauthorized
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