12
•  
Do not place the device over the air bag or in the air 
bag deployment area in a motor vehicle. Doing so 
may hurt you because of the strong force when the 
air bag inflates.
•  
Do not use your device while flying in an aircraft or 
immediately before boarding. Using wireless devices 
in an aircraft may disrupt wireless networks, present 
a hazard to aircraft operation, or be illegal. 
Operating environment
•  
Avoid dusty, damp, or dirty environments. Avoid 
magnetic fields. Using the device in these 
environments may result in circuit malfunctions.
•  
Do not use your device during thunderstorms to 
protect your device against any danger caused by 
lightning. 
•  
Ideal operating temperatures are 0 °C to 35 °C. Ideal 
storage temperatures are
 -20 °C to 70 °C. Extreme 
heat or cold may damage your device or accessories.
•  
Do not expose your device to direct sunlight (such as 
on a car dashboard) for prolonged periods. 
•  
To protect your device or accessories from fire or 
electrical shock hazards, avoid rain and moisture.
•  
Keep the device away from sources of heat and fire, 
such as a heater, microwave oven, stove, water 
heater, radiator, or candle.
•  
Do not place sharp metal objects, such as pins, near 
the earpiece or speaker. The earpiece may attract 
these objects and result in injury.