Now that the iPhone OS 3.0 firmware has added stereo Bluetooth functionality to the Apple iPhone , we thought it would be a good idea to revisit stereo Bluetooth and what it promises. Motorola Rokr S9 HD with iPod adapter (Credit: Motorola) Stereo Bluetooth, or A2DP (Advanced Audio Distribution Profile), is essentially a Bluetooth profile that lets you stream music from one device to another without the use of wires. The technology has been around for years, and almost all music phones have this feature. In fact, it was quite a big letdown that the original iPhone and iPhone 3G did not have this built in when they first launched, considering the iPhone’s iPod heritage. Still, it’s better late than never. The iPhone OS 3.0 update also brought stereo Bluetooth to the iPod Touch 2nd gen . If you have a music player instead of a phone, you can also

purchase additional stereo Bluetooth adapters, like this Motorola D650 iPod adapter . Stereo Bluetooth headphones come in a variety of shapes and sizes. Some, like the Motorola Rokr S9 HD , are meant for active lifestyles, as it’s shaped to hug the sides of the head. Others, like the Samsung SBH-600 , are meant for serious audiophiles, especially with its promise of surround sound and bass boost. We also like the mono-to-stereo headsets, like the Plantronics Voyager 855 , that can change from a mono headset to a stereo version simply by connecting an additional ear bud. One of the more popular stereo headsets among our readers is the Jabra BT3030 , which isn’t really even a headset so much as it is a pendant that you can use with any pair of 3.5mm-compatible headphones. …

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Rocking out with stereo Bluetooth