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Safety, Handling, & Support 

Charging  Charge iPhone with the included USB cable and power adapter or other third-party 
“Made for iPhone” cables and power adapters that are compatible with USB 2.0 or power 
adapters compliant with one or more of the following standards EN 301489-34, IEC 62684, 
YD/T 1591-2009, CNS 15285, ITU L.1000, or another applicable mobile phone power adapter 
interoperability standard. An iPhone Micro USB Adapter (available separately in some areas) or 
other adapter may be needed to connect iPhone to some compatible power adapters. Using 
damaged cables or chargers, or charging when moisture is present, can cause electric shock. 
When you use the Apple USB Power Adapter to charge iPhone, make sure that the AC plug or 
AC power cord is fully inserted into the adapter before you plug it into a power outlet. Power 
adapters may become warm during normal use, and prolonged contact may cause injury. Always 
allow adequate ventilation around power adapters when using them.

Note:  Only micro USB power adapters in certain regions that comply with applicable 
mobile phone power adapter interoperability standards are compatible. Please contact the 
power adapter manufacturer to find out if your micro USB power adapter complies with 
these standards.

Hearing loss  Listening to sound at high volumes may damage your hearing. Background noise, 
as well as continued exposure to high volume levels, can make sounds seem quieter than they 
actually are. Use only compatible receivers, earbuds, headphones, speakerphones, or earpieces 
with your device. Turn on the audio and check the volume before inserting anything in your ear. 
For more information about hearing loss, see 

. For information about how 

to set a maximum volume limit on iPhone, see 

 on page 64.

To prevent possible hearing damage, do not listen at high volume levels for 

long periods.

Apple headsets  The headsets sold with iPhone 4S or later in China (identifiable by dark 
insulating rings on the plug) are designed to comply with Chinese standards and are compatible 
with iPhone 4S or later, iPad 2 or later, and iPod touch 5th generation. Use only compatible 
headsets with your device.

Radio signals  iPhone uses radio signals to connect to wireless networks. For information about 
the amount of power used to transmit these signals, and about steps you can take to minimize 
exposure, see Settings > General > About > Legal > RF Exposure.

Radio frequency interference  Observe signs and notices that prohibit or restrict the use 
of mobile phones (for example, in healthcare facilities or blasting areas). Although iPhone is 
designed, tested, and manufactured to comply with regulations governing radio frequency 
emissions, such emissions from iPhone can negatively affect the operation of other electronic 
equipment, causing them to malfunction. Turn off iPhone or use Airplane Mode to turn off the 
iPhone wireless transmitters when use is prohibited, such as while traveling in aircraft, or when 
asked to do so by authorities.

Medical devices  iPhone contains radios that emit electromagnetic fields, and contains 
magnets near the bottom. The included headphones also have magnets in the earbuds. These 
electromagnetic fields and magnets may interfere with pacemakers, defibrillators, or other 
medical devices. Maintain at least 6 inches (approximately 15 cm) of separation between your 
pacemaker or defibrillator and iPhone or the earbuds. If you suspect iPhone is interfering with 
your pacemaker or any other medical device, stop using iPhone and consult your physician for 
information specific to your medical device.