Cleaning and Maintenance
To prevent fire or function issue, turn the headphones off when cleaning. If cleaning is required,
use a soft dry cloth; if necessary, use a damp cloth without any solvents. Use caution when
cleaning and wiping the plastic parts. If the headphones are not used for a long period of time,
charge before using.
Note: See additional Cleaning and Maintenance instructions in Safety and Compliance section.
Safety and Compliance
CAUTION Read all safety and operating instructions below before using this product.
1. Stop using this product immediately if it causes discomfort or pain. When using this
product, it is recommended that the volume is limited to help avoid harm to ears and danger
resulting from being unable to hear surrounding sounds.
2. Keep the device out of extreme heat and humidity.
3. Do not use the device near water, such as sinks, bathtubs, swimming pools, washing
machines, areas of water, etc.
4. Observe all signs and instructions that require an electrical device or radio product to be
switched off in designated areas, such as petrol/refueling stations, hospitals, blasting areas,
potentially explosive atmosphere or aircraft.
5. Do not push the headphones so the head band is set/pushed to lowest position.
6. If cleaning is required, use a soft dry cloth; if necessary, use a damp cloth without solvents.
PLEASE NOTE: the information in this user manual was correct at the time of publication, but
some minor changes may have been made late in the product’s development.
• FCC Warning This device complies with Part 15 of the FCC Rules. Operation of this
product 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.
Changes or modifications not expressly approved by the party responsible for compliance with
the FCC Rules could void the user’s authority to operate this equipment.
Note: This equipment has been tested and found to comply within the limits for a class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment to an outlet on a different circuit than the receiver is connected.
- Consult the dealer or an experienced technician for help.
This device has been evaluated to meet general RF exposure requirement. The device can be
used in portable exposure condition without restriction.