Model: YY2981
The term “product” in this document refers to the unit or its accessories.
Do not install the product in a confined space, such as a bookcase or
built-in cabinet.
Do not expose the batteries (battery pack or batteries installed) to
excessive heat, such as sunshine, fire or the like, for a long time.
Do not subject the batteries to extreme low temperature conditions that
may result in overheating and thermal runaway.
Do not dismantle, open, or shred secondary batteries.
In the event of a secondary battery leaking, do not allow the liquid to
come in contact with the skin or eyes. If contact has been made, wash the
affected area with copious amounts of water and seek medical advice.
Secondary batteries need to be charged before use. Always refer to the
manufacturer’s instructions or product manual for proper charging
instructions.
After extended periods of storage, it may be necessary to charge and
discharge the secondary batteries several times to obtain maximum
performance.
Dispose of properly.
Do not use, store, or leave in a place subject to high amounts of humidity,
dust, smoke, or steam, or in a place subject to high temperatures, such as
near a fire or a location subject to direct sunlight, such as in a car.
High volume may adversely affect your hearing.
Do not use the unit while walking, driving, or cycling. Doing so may cause
traffic accidents.
Do not use in hazardous areas unless the surrounding sound can be
heard.
The unit is not waterproof. If water or foreign matter enters the unit, it
may result in fire or electric shock. If water or foreign matter enters the
unit, stop use immediately and consult your nearest Sony dealer. In
particular, be careful in the following cases.
• When using the unit near a sink or liquid container
Be careful that the unit does not fall into a sink or container filled with
water.
• When using the unit in the rain or snow, or in humid locations
• When using the unit while you are perspiring
If you touch the unit with wet hands, or put the unit in the pocket of a
damp article of clothing, the unit may get wet.
For details on the effects of contact with the human body from the
mobile phone or other wireless devices connected to the unit, refer to the
instruction manual of the wireless device.
Never insert the USB plug when the unit or charging cable is wet. If the
USB plug is inserted while the unit or charging cable is wet, a short circuit
may occur due to liquid (tap water, seawater, soft drink, etc.) or foreign
matter on the unit or charging cable, and cause abnormal heat
generation or malfunction.
This product has magnet(s) which may interfere with pacemakers,
programmable shunt valves for hydrocephalus treatment, or other
medical devices. Do not place this product close to persons who use such
medical devices. Consult your doctor before using this product if you use
any such medical device.
Note about static electricity
If you use the unit when the air is dry, you may experience discomfort due
to static electricity accumulated on your body. This is not a malfunction of
the unit. You can reduce the effect by wearing clothes made of natural
materials that do not easily generate static electricity.
Precautions
The two-dimensional code or the URL on the cover will help you
access the help guide that describes useful notes or procedures
in details.
On BLUETOOTH® communications
• Microwaves emitting from a Bluetooth device may affect the operation
of electronic medical devices. Turn off this unit and other Bluetooth
devices in the following locations, as it may cause an accident:
– in hospitals, near priority seating in trains, locations where
inflammable gas is present, near automatic doors, or near fire alarms.
• The audio playback on this unit may be delayed from that on the
transmitting device, due to the characteristics of Bluetooth wireless
technology. As a result, the sound may not be in sync with the image
when viewing movies or playing games.
On charging the unit
• Be sure to use the supplied USB Type-C cable.
Notes on wearing the unit
• Because the headphones achieve a tight seal over the ears, forcibly
pressing them against your ears or quickly pulling them off can result in
eardrum damage. When wearing the headphones, the speaker
diaphragm may produce a click sound. This is not a malfunction.
Other notes
• When you use the unit as wired headphones, use the supplied
headphone cable only. Make sure that the headphone cable is firmly
inserted.
• Do not apply weight or pressure to the unit for long periods, including
when it is stored, as it may cause deformation.
• If you experience discomfort while using the unit, stop using it
immediately.
• If you have any questions or problems concerning this unit that are not
covered in this manual, please consult your nearest Sony dealer.
Location of the serial number label
Specifications
Headset
Power source:
DC 5V (Using a commercially available USB AC Adaptor)
Using built-in lithium-ion batteries (Product Operation Power: DC
3.85V)
Operating temperature:
0°C to 40°C
Rated power consumption:
3W
Mass:
Approx. 255g
Included items:
Wireless Noise Canceling Stereo Headset (1)
USB Type-C
cable (USB-A to USB-C
) (1)
Headphone cable (1)
Carrying case (1)
Documents (1 set)
Communication specification
Communication system:
Bluetooth Specification version 5.2
Output:
Bluetooth Specification Power Class 1
Frequency band:
2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)
Design and specifications are subject to change without notice.
System requirements for battery charge using
USB
USB AC adaptor:
A commercially available USB AC adaptor capable of supplying an output
current of 0.5A (500mA) or more.
Trademarks
• The Bluetooth® word mark and logos are registered trademarks owned
by Bluetooth SIG, Inc. and any use of such marks by Sony Group
Corporation and its subsidiaries is under license.
• USB Type-C® and USB-C® are registered trademarks of USB
Implementers Forum.
• LDAC and LDAC logo are trademarks of Sony Group Corporation or its
affiliates.
• All other trademarks and registered trademarks are trademarks or
registered trademarks of their respective holders. In this manual, ™ and
® marks are not specified.
Licenses
• This product contains software that Sony uses under a licensing
agreement with the owner of its copyright. We are obligated to
announce the contents of the agreement to customers under
requirement by the owner of copyright for the software. Please access
the following URL and read the contents of the license.
https://rd1.sony.net/help/mdr/sl/24/
• Services offered by third parties may be changed, suspended, or
terminated without prior notice. Sony does not bear any responsibility in
these sorts of situations.
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