The iPad includes just two ports for connecting cables: the headphone port at the top and the dock port at the bottom. The rest of the iPad’s communication happens wirelessly via Wi-Fi, 3G, or a third option: Bluetooth. Thanks to this short-range wireless technology, you can listen to music using Bluetooth headphones or speakers; you can also type using any Bluetooth keyboard instead of the onscreen keyboard or Apple’s optional keyboard dock accessory.
When shopping for Bluetooth audio products, look for ones that support A2DP (Advanced Audio Distribution Profile).
To communicate with the iPad, a Bluetooth device must be
paired with it to ensure that each device is recognized and ...