Jabra C820s User Manual
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Jabra C820s stereo headphones
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11. Safety
• Read these instructions carefully
• Do not expose the headset or any of its supplied parts to rain or other liquids.
• Always store the Jabra C820s with power off and safely protected.
• Do not use the headphones near water
• Avoid storage at extreme temperatures (above 65°C/149°F – including direct 
sunlight – or below -10°C/14°F). This can shorten battery life and may affect 
operation. High temperatures may also degrade performance.
• Clean only with a dry cloth
• WARNING: Using the headphones at high volume may result in permanent 
hearing loss. If you experience ringing in your ears, reduce the volume or 
discontinue using the headphones. With continued use at high volume, 
your ears may become accustomed to the sound level, which may result in 
permanent damage to your hearing. Keep the volume at a safe level. Using 
headphones while operating a motor vehicle, motorcycle, watercraft or bicycle 
may be dangerous, and is illegal in some countries. Check your local laws. Use 
caution while using your headphones when you are engaging in any activity 
that requires your full attention. While engaging in any such activity, removal 
of the speakers from your ear area or turning off your headphones will keep 
you from being distracted, so as to avoid accident or injury.
12. Warranty
Jabra (GN Netcom) warrants this product against all defects in material and 
workmanship for a period of one year from the date of original purchase. The 
conditions of this warranty and our responsibilities under this warranty are as 
follows:
• The warranty is limited to the original purchaser.
• A copy of your receipt or other proof of purchase is required
• The warranty is void if the serial number, date code label or product label 
is removed, or if the product has been subject to physical abuse, improper 
installation, modification, or repair by unauthorized third parties.
• The responsibility of Jabra (GN Netcom) products shall be limited to the
repair or replacement of the product at its sole discretion.
• Any implied warranty on Jabra (GN Netcom) products is limited to one year
from the date of purchase on all parts, including any cords and connectors.
• Specifically exempt from any warranty are limited-life consumable
components subject to normal wear and tear, such as microphone 
windscreens, ear cushions, decorative finishes, batteries, and other accessories.
• Jabra (GN Netcom) is not liable for any incidental or consequential damages
arising from the use or misuse of any Jabra (GN Netcom) product.
• This warranty gives you specific rights and you may have other rights which
vary from area to area.
• Unless otherwise instructed in the User Manual, the user may not, under
any circumstances, attempt to perform service, adjustments or repairs on 
this unit, whether in or out of warranty. It must be returned to the purchase 
point, factory or authorized service agency for all such work.
13. Certification and safety approvals
China
Conforms to the provisions on the Radio Regulations of China.
Republic of Korea
Certified under the provisions of Regulations on Certification of Information 
and Communication Equipment by Director General of Radio Research 
Laboratory (Ministry of Information and Communication)
Taiwan
Approved by The Directorate General of Telecommunications (Ministry of 
Transportation and Communications).
Singapore
Approved by the Infocomm Development Authority of Singapore (IDA) for 
sale and use in Singapore.
FCC
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.
CE
This product is CE marked according to the provisions of the R & TTE 
Directive (99/5/EC).
Bluetooth
The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. 
and any use of such marks by GN Netcom is under license. Other trademarks 
and trade names are those of their respective owners.
