
breezeline.com 6
Regulatory Notices
Operating Ambient Temperatures
• Operating temperature: +14 to 122°F (-10 to 50°C)
• Relative humidity: 5% to 90%, noncondensing
• Storage temperature: -22 to +158°F (-30 to +70°C)
Warranty
Our product warranty is limited only to the unit itself, when 
used normally in accordance with the operating instructions 
and the system environment. We are not liable for damage 
or loss resulting from the use of this product, or for any claim 
from a third party. We are not liable for problems with Yealink 
device arising from the use of this product; we are not liable for 
nancial damages, lost prots, claims from third parties, etc., 
arising from the use of this product.
Explanation of the symbols
 is the DC voltage symbol
 
 WEEE Warning symbol
To avoid the potential effects on the environment and human 
health as a result of the presence of hazardous substances 
in electrical and electronic equipment, end users of electrical 
and electronic equipment should understand the meaning of 
the crossed-out wheeled bin symbol. Do not dispose of WEEE 
as unsorted municipal waste and have to collect such WEEE 
separately.
Restriction of Hazardous Substances Directive (RoHS)
This device complies with the requirements of the EU RoHS 
Directive. Statements of compliance can be obtained by 
Safety Instructions
Save these instructions. Read the safety instructions before use!
 General Requirements
Before you install and use the device, read the safety 
instructions carefully and observe the situation during 
operation.
• During the process of storage, transportation, and 
 operation, please always keep the device dry and clean, 
 avoid collision and crash.
• Please attempt not to dismantle the device by yourself. 
 In case of any discrepancy, please contact the appointed 
 maintenance center for repair.
• Please refer to the relevant laws and statutes while using the 
 device. Legal rights of others should be respected as well.
 
 Environmental Requirements
• Place the device at a well-ventilated place. Do not expose 
 the device under direct sunlight.
• Keep the device dry and free of dusts.
• Do not place the device on or near any inammable or 
 re-vulnerable object, such as rubber-made materials.
• Keep the device away from any heat source or bare re, 
 such as a candle or an electric heater.
 Operating Requirements
• Do not let a child operate the device without guidance.
• Do not let a child play with the device or any accessory in 
 case of accidental swallowing.
• Please use the accessories provided or authorized by the 
 manufacturer only.
• The power supply of the device shall meet the requirements 
 of the input voltage of the device. Please use the provided 
 surge protection power socket only.
• Before plugging or unplugging any cable, make sure that 
 your hands are completely dry.
• Do not spill liquid of any kind on the product or use 
 the equipment near water, for example, near a bathtub, 
 washbowl, kitchen sink, wet basement or near a 
 swimming pool.
• During a thunderstorm, stop using the device and 
 disconnect it from the power supply. Unplug the power and 
 the Asymmetric Digital Subscriber Line (ADSL) twisted pair 
 (the radio frequency cable) to avoid lightning strike.
• If the device is left unused for a rather long time, disconnect 
 it from the power supply and unplug the power plug.
• When there is smoke emitted from the device, or some 
 abnormal noise or smell, disconnect the device from the 
 power supply, and unplug the power plug immediately.
 •Contact the specied maintenance center for repair.
 •Do not insert any object into equipment slots that is not 
 part of the product or auxiliary product.
 •Before connecting a cable, connect the grounding cable 
 of the device rst. Do not disconnect the grounding cable 
 until you disconnect all other cables.
 Battery Requirements
• Do not immerse the battery into water, which could 
 short-circuit and damage the battery.
• Do not expose the battery to an open ame or leave the 
 battery where it could be subjected to extremely
 high temperatures, which could cause the battery to 
explode.
• Do power the handset off before removing the battery.
• Do not try to use the battery for the power supply of any 
 device other than this handset.
• Do not open or mutilate the battery, released electrolyte is 
 corrosive and may cause damage to your eyes or skin.
• Use only the rechargeable battery pack delivered with the 
 handset or those rechargeable battery packs expressly 
 recommended by Yealink.
• Defective or exhausted battery should never be disposed 
 of as municipal waste. Return old battery to the battery 
 supplier, a licensed battery dealer or a designated 
 collection facility.
 Cleaning Requirements
• Before cleaning the device, disconnect it from the 
 power supply.
• Use a piece of soft, dry and anti-static cloth to clean 
 the device.
• Keep the power plug clean and dry.