深圳市澜科创科技有限公司
独立站产品说明书
20260908
A700S
英文版说明书
生产材料 128G双铜/单色印刷/展开尺寸700*120MM/风琴6折/折叠后尺寸120*100MM/
IMPORTANT SAFETY INSTRUCTIONS-CAREFULLY
• Retain this manual for future reference. It contains important safety and operating
information.
• Read all instructions before using the product and follow all safety warnings.
• This product is not intended for use by children or persons with reduced physical,
sensory, or mental capabilities unless properly supervised.
• Do not allow children to play with the product.
• Do not expose the product to fire or excessive heat.
• Do no
t use or store the product in environments with extreme temperatures,
moisture, or humidity.
• Do not use the product if it has been dropped, damaged, or is not operating
normally.
• Do not disassemble, modify, or attempt to repair the product. Doing so may cause
injury or damage.
• Do not crush, puncture, throw, or apply excessive force to the product.
• Keep the product away from flammable or explosive materials.
• The built-in battery is not user-replaceable.
• Do not open the produ
ct or attempt to replace the battery.
• Charge the product only with the provided or specified charging cable and a
certified power source.
• Do not charge the product near heat sources or in high-temperature environments.
• If the product becomes excessively hot, emits an unusual odor, or shows abnormal
behavior, stop using it immediately and disconnect from the power source.
• Use this product only for its intended purpose and in accordance with this manual.
• LK shall not be liable
for damage or injury resulting from misuse, unauthorized
modification, improper battery use, or operation outside recommended conditions.
• Dispose of the product and batteries in compliance with local environmental and
electronic waste regulations.
• Thank you for purchasing LK Hybrid Active Noise Cancelling Headphones. Please
read this User Manual thoroughly before use of the product and retain it for future
reference. If you have any problem using this product,
please contact us by the email
address provided on the back cover of the manual.
Charging Instructions
FCC STATEMENT:
When the headset is low on power, it will broadcast the voice prompt "Battery low",
and the indicator light flashes red once every two seconds.
Please charge the headset with the original matching charging cable.
The indicator light stays solid red during charging and turns off once fully charged.
This device complies wi
th 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.
NOTE 1: This equipment has been tested and found to comply with 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 har
mful 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 equ
ipment 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 into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
NOTE 2: Any changes or modifications to this unit not expressly approved
by the party
responsible for compliance could void the user's authority to operate the equipment.
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
What this warranty covers?
Shenzhenshi Lankechaung Technology Co.,Ltd. (Manufacturer: "Lankechaung")
warrants to the original purchaser of this LK product that the product shall be
free of defects in design, asse
mbly, material, or workmanship.
What the period of coverage is?
Lankechaung warrants the LK product for 12 months.
What will we do to correct problems?
Lankechaung will repair or replace, at its option, any defective product free of
charge (except for shipping charges for the product).
What is not covered by this warranty?
All above warranties are null and void if the LK product is not provided to
Lankechaung for inspection upon Lankechaung’s request at the sole e
xpense of
the purchaser, or if Lankechaung determines that the LK product has been
improperly installed, altered in any way, or tampered with. The LK Product
Warranty does not protect against acts of God such as flood, earthquake,
lightning, war, vandalism, theft, normal-use wear and tear, erosion, depletion,
obsolescence, abuse, damage due to low voltage disturbances (e.g. brownouts
or sags), non-authorized program, or system equipment modification or
alteration.
How to claim the warrant
y?
For more information, please contact your retailer, visit the LK official website, or
reach us via the email address provided on the back cover. To extend the
warranty period, please visit LK website and register your LK products within 90
days of purchase.
Disclaimer
Every effort has been made to ensure that the information and procedures in
this guide are accurate and complete, no liability can be accepted for any errors
or omissions and we r
eserve the right to make any changes without further
notice to any products mentioned herein.
Limited 12-Month Warranty
Correct Disposal of This Product
(Waste Electrical& Electronic Equipment)
This Marking shown on the product or its literature, indicate that it should not be
disposed with other household wastes at the end of its working life. To prevent
possible harm to the environment or human health from uncontrolled waste
disposal, please separate this from other type
s of wastes and recycle it responsibly
to promote the sustainable reuse of material resources. Household user should
contact either the retailer where they purchased this product, or their local
government office, for details of where and how they can take this item for
environmentally safe recycling. Business users should contact their supplier and
check the terms and conditions of the purchase contact. This product should not be
mixed with other commercial wa
stes for disposal.
FCC WARNING
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.
FCC warning:
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with 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 insta
llation.
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 into an outlet on a circuit different from that to which the
receiv
er is connected.
-Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
A700S
User Guide & Warranty Card
User Manual
Safety Information Read all instructions carefully before use.
• For your safety, do not use the headphones while driving or cycling.
• This device is not a toy. Children should only use it under adult supervision.
• Keep the device and its accessories out of reach of children to prevent
choking hazards.
• Do not listen at high volume for extended periods to avoid hearing damage.
• Use only accessories specified by the manufacturer.
• The device must be serviced by authorized personnel. Do not modify the
headphones yourself.
• Do not continue using the device if the charging port is damaged, if liquid
or foreign objects have entered the device, or if it has been exposed to rain or
moisture.
• This device contains a non-removable battery. Do not attempt to replace it
yourself.
• The built-in lithium battery should not be exposed to prolonged direct
sunlight (e.g., on a car dashboard or windowsill).
• Keep the device away from heat sources or open flames, such as
heaters, microwaves, ovens, water heaters, stoves, or any other
hi
gh-temperature areas.
• Use the device within a temperature range of 0°-35°.
Extremely high or low temperatures may cause malfunction.
•
In environments with many 2.4GHz wireless devices, wireless performance
may be affected by interference.
• During dry seasons, you may feel a slight tingling sensation when wearing
or touching the device. This is caused by static electricity from your body and
does not indicate a defect.
• Use only a dry cloth to clean the device.
https://www.lkaudio.com
Username
Contact Details
Product Return
Username
Reason
After-Sales Service Warranty Card
AUX Mode
AUX Connection (Optional)
Insert the AUX cable (sold separately) into the AUX port. The
headphones will automatically enter AUX mode.
Note: If the AUX cable is inserted while the headphones are powered on,
they will automatically shut down.
Charging the Headphones
Use the supplied Type-C charging cable to connect the headphones to a USB
power adapter. The headphones will automatically power off and enter
charging mode once the cable is connected.
•Charging in pro
gress: Red LED stays on.
•Fully charged: Red LED turns off.
*The headphones will sound a low battery alert 30 minutes before shutting
down. A “Low Battery” voice prompt will be announced every 10 minutes,
and the red LED will flash every 5 seconds.
Factory Reset
Powered on & disconnected: Hold Volume+ and Volume- for 4s to factory
reset.
Environmental Information| Eco-Friendly
List of names and contents of toxic and harmful substances of elements
This table is prepared in accordance with the provisions of SJ/T 11364.
○：Indicates that the content of the toxic or hazardous substance in all
homogeneous materials of this component is below the limit requirement specified
in GB/T 26572.
×： Indicates that the content of this hazardous substance in at least one
homogeneous material of the component exceeds the limit requirement specified
in G
B/T 26572, and that no mature alternative solution is currently available in the
industry.
The number within this mark indicates that the environmental protection
use period of the product under normal operating conditions is 10 years.
The number within this mark indicates that the environmental protection
use period of the battery under normal operating conditions is 5 years.
Part Name
PCB Assemblies
×
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Magnet
Screw
Enclosure
Speaker Drive
Battery
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent Chromium
[Cr（VI)]
Polybrominated Biphenyls
（PBB）
Polybrominated Diphenyl Ethers
(PBDE)
Toxic and Hazardous Substances / Elements
Music Playback
Play / Pause:Press the power button
once
Next Track: Press and hold the
Volume + button
Volume Up: Single-press the
Volume + button.
Volume Down: Single-press the
Volume – button.
Additional Functions
Answer: Short press the Power key.
End Call: Single-press Power key.
Reject Call: Press and hold Power key
for 2 seconds.
Power On / Off
Power On: Press and hold multifunction key for 3 seconds, white light flashes.
Power Off: Press and hold the Multi-Function Button for 3 seconds. The LE
D
indicator will flash red 3 times
Bluetooth Connection
Initial Connection When powered on, the headphones automatically enter pairing mode. Turn on
your device's Bluetooth and search for available devices, keeping the headphones within 1 meter of
your device. Select “LK-A700s” from the list to pair. A confirmation tone will sound once pairing
is successful.
*If the headphones have been previously paired with a device, they will automatically reconnect to
the last connected
device when powered on again.
Bluetooth
LK-A700s
A700s Headphones × 1
Type-C Charging Cable × 1
User Manual & Warranty Card × 1
3.5mm Audio Cable×1
User Guide & Warranty Card
A700s
Hybrid Active Noise Cancelling Headphones
User Manual
BATTERY INFORMATION
Your device has an internal, non-removable, rechargeable battery. Do not attempt
to remove the battery, as you may damage the device. The battery can be
charged and discharged hundreds of times, but it will eventually wear out.
Charging time can vary depending on device capability.
BATTERY SAFETY
•
If left unused, a fully charged battery will lose its charge over time. Always keep
the battery between 0°and 35° (32°F and 95°F) for optimal performance.
•
Extreme temperatures reduce the capacity and lifetime of the battery. A device
may temporarily stop working if its battery is too hot or too cold.
•
Do not dispose of batteries in a fire as they may explode. Obey local regulations.
Recycle when possible. Do not dispose of it as household waste.
•
Use the battery for its intended purpose only. Improper use of, or use of
unapproved or incompatible, batteries may present a risk of fire explosion, or other
hazards, and may invalidate any approval or warranty.
•
If you believe the battery is damaged, take it to a service center or your local shop
before continuing to use it. Never use a damaged battery.
•
Do not charge your device during a lightning storm.
•
DON’T attempt to remove the rechargeable lithium-ion battery from this product.
Contact your local Urbanista retailer or other qualified professional for removal.
Charging the Headphones
Use the supplied Type-C charging cable to connect the headphones to a power source.
The headphones will power off automatically during charging.
•Charging in progress: Solid red LED
•Fully charged: Red LED turns off
Low Battery Alert:
When the battery level drops below 10 %,A low-battery alarm sounds every two minutes,
and the red LED flashes every two seconds.until the headphones are charged.
Power Key
Volume +
Volume -
Audio Port
Type-C Port
Microphone Hole
M Key
Status Indicator Light
Previous Track: Press and hold the
Volume
–
button
Enter/Exit SD card Mode：Press the
M key.
Bluetooth over-ear headphones
