See poly.com/healthandsafety for more information on headsets/headphones 
and hearing.
● If you use your headset/headphones while driving, check local laws regarding 
use of a mobile phone and headset, and ensure your attention and focus 
remain on driving safely. Use of a headset/headphones that covers both ears 
will impair your ability to hear other sounds and in most regions is illegal to 
use while operating a motor vehicle or riding a bicycle and may be a serious 
hazard for you and others.
● If this product includes earbuds/eartips, install and use them in accordance 
with the instructions provided. Do not force earbuds/eartips down the ear 
canal. Consult a doctor if they become lodged in the ear canal.
● Plug the mains adapter or charger into a socket-outlet that is near to the 
equipment and will be easily accessible.
Battery Warnings for Wireless Products
● If your product has an embedded, non-replaceable battery, do not attempt 
to open the product or remove the battery as this may cause injury and/or 
damage the product. If your product has a replaceable battery, use only the 
battery type supplied by Poly. Remove a spent battery promptly.
● Replace rechargeable batteries after three years or 300 charge cycles, 
whichever occurs first.
● Do not dispose of the product or battery in a fire or heat above 40°C (104°F).
● Do not expose the battery to extremely high temperatures. It may result in an 
explosion or the leakage of flammable liquid or gas.
● Do not open, deform or mutilate the battery. There may be corrosive materials 
which can cause damage to eyes or skin and may be toxic if swallowed.
● Never put batteries in mouth. If swallowed, contact a physician or poison 
control center.
● Swallowing may lead to burns, perforation of soft tissue, and death. Severe 
burns can occur within 2 hours of ingestion.
● Always store batteries where children cannot reach them.
● Do not allow any battery or its holder to contact metal objects such as keys or 
coins.
● RECYCLING: The product battery must be recycled or disposed of properly. 
Contact your local recycling center for battery removal and proper disposal.
● Use only the charger supplied by Poly to charge the product and follow the 
charging instructions provided. Alternatively, if your headset is designed to be 
charged with your cell phone charger, use only cell phone chargers approved 
and provided by your cell phone manufacturer. Do not use the charger for 
any other purpose. Ensure that the voltage rating corresponds to the power 
supply you intend to use.
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Chapter 11  Safety warnings