Bluebird BM180, User Manual, Page: 80 / 86

Safety and Handling
72
Battery and charging
• Improper battery use may cause fire, explosion, or other hazard.
• Use only the approved battery and charger. Using incompatible battery
or charger may cause device malfunction, or other damages such as
fire.
• When you are not using the device for a long period, take out the
battery and keep the device and the battery in a dry, cool place. Also,
charge the battery once a year. If you keep it without charging for a
long time, it may cause device malfunction.
Hearing
• Do not listen to sound at high volume for long periods. It may cause
hearing damage. Also, only use compatible receiver, headphones, or
earpieces with your device.
Distraction
• Using your device may distract you and cause serious injuries and
damages. For example, avoid talking on the phone or texting while
driving or riding a bicycle. It is strictly prohibited by laws in some juris-
dictions.
Frequency interference
• This wireless device may cause radio frequency interference, so do not
use the device or turn on Airplane mode when prohibited.
• The device emits electromagnetic fields. It may interfere with your
medical devices.
FCC compliance information
• Radio Frequency (RF) energy
• SAR information