Bluetooth 2.0 portable speakers are now available for buy. You can easily connect your smartphone or tablet or even notebook via bluetooth, USB or by 3.5-mm headphone jack and start listening music on this loud and high quality speakers. It has 4 quality speakers on dock. Also Logitech Pure-Fi speakers has built in rechargeable battery which provide you to listen your music up to 12 hours. Also there are built in microphone on speakers, so you can use it as a speakerphone via bluetooth. Price of this amazing speakers is about $ 180 and you can find it and buy from Amazon store.