You can use your iPod nano (6th generation) button controls to pause and resume your workout, change songs, hear spoken feedback, or switch to a PowerSong for extra motivation. If you use Apple headphones with a remote, you can control your workout with the remote.

Read recommendations and guidelines for cleaning your Apple computer, iPad, iPhone, iPod, display, or peripheral device. 

You may be unable to set the time zone on your iPhone or iPod touch.

This document describes the security content of iOS 5 Software Update, which can be downloaded and installed using iTunes. For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website. For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key." Where possible, CVE IDs are used to reference the vulnerabilities for further information. To learn about other Security Updates, see "Apple Security Updates".

These trusted root certificates are preinstalled with iOS 5. When IT administrators create Configuration Profiles for iPhone, iPad,  or iPod touch using the iPhone Configuration Utility, these certificates do not need to be included.

This document describes the security content of iOS 5.0.1, which can be downloaded and installed using iTunes. For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website. For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key." Where possible, CVE IDs are used to reference the vulnerabilities for further information. To learn about other Security Updates, see "Apple Security Updates".

Learn which fonts are used in iOS 5.

With AirPlay, you can wirelessly stream videos, music, and photos from your iPhone, iPad, or iPod touch to Apple TV (2nd generation) and stream music to AirPlay speakers or receivers, including AirPort Express. You can also wirelessly stream videos and music from your computer to Apple TV (2nd generation) and stream music to AirPlay speakers or receivers, including AirPort Express.

iPad comes with a 10W USB Power Adapter. This article discusses using this adapter with iPhone and iPod.

Learn about the power supplies in various Apple products and whether they can switch automatically to voltages in other countries. Some Apple computers have an auto-switching power supply which monitors the incoming voltage and automatically switches itself accordingly. Other Apple computers have a power supply that must be manually switched for various incoming voltages. In this case, the change is made by moving the voltage selector switch which is accessible from outside the computer's case. Still other Apple computers have a power supply that is rated only for the country in which it is sold and it cannot switch to other voltages. The table below shows what type of power supply is in various recent Macintosh models. Some models can use the World Travel Adapter Kit. If your computer cannot use the World Travel Adapter Kit and you need a power adapter or power cord with an appropriate plug, contact an Apple-Authorized Service Provider (AASP) in the region.

The Push Notification service in Lion Server supports sending Push Notifications to Mac OS X and iOS client applications. Additionally, the service can be configured to provide Push Notifications to third-party applications which use the ServerNotification framework.

Enabling VoiceOver for iPod allows you to hear the names of songs, artists, and playlists spoken when listening to content on your iPod. If you have the Apple Earphones with Remote and Mic or the In-Ear Headphones with Remote and Mic, you can also use VoiceOver to navigate playlists.

It's possible to receive a small and quick electrical (static) shock from your earbuds while listening to iPod, iPhone, or a Mac computer.

When you connect an iPhone into an accessory with the "Works with iPhone" label, the message "This accessory is not made to work with iPhone" may appear.

For optimal audio quality, insert the Apple In-Ear Headphones so they have a good seal, and make sure the mesh cap is clear of obstruction. If a good seal is not made, you may notice the audio quality is lacking bass or sounding "tinny." If the mesh caps are clogged with debris or earwax, you may notice the audio quality is lacking definition or sounding "muddy."

Get the answers to frequently asked questions about Bluetooth headsets.

If after troubleshooting your iPhone Bluetooth Headset you determine that a replacement headset will resolve the issue, you'll need to locate the serial number.

Changing the volume for iPhone Bluetooth Headset when paired and connected to:

Find out what the status light of your iPhone Bluetooth Headset is indicating.

Some third-party headphones will not fit into the headphone jack on iPhone.