The Samsung audio dock is a part of your entertainment system that you can rely on. As the world's first dual docking system, users can enjoy their music from various smart devices such as the Samsung Galaxy S II & Galaxy Note, or other products such as the iPhone & iPod. This flexibility simplifies your audio set-up band also saves you the hassle of having to buy various audio systems that match your particular smart devices. With the benefit of Bluetooth 3.0 & the superior apt-X codec, transferring music no longer means a loss of quality. The Samsung audio dock allows for faster streaming of data without losing the original sound quality, which is usually the case with file compressions. The highly regarded Bluetooth 3.0 & apt-X technology prevents this from happening, & even allows CD quality music to be sent. So, if you are serious about your transferred sound quality, Bluetooth 3.0 with apt-X technology is a must have feature.