Mobile phone Sony Ericsson W660i is one of many series in this business that we have to replace portable device to play sounds. This time was taken In the first model series, added UMTS, 2 Joysticks and better digital camera and packed in a standard housing, so that we receive from previous versions kola. If, in our group a few people have telephones In the series, it is better not to their time elsewhere, because the later does not define who is whose-virtually any telephone to a bar with aparatem2 megapixel, MP3 player and headphones. One-word total, wtórność annoying. Mobile phone, contrary to many people, is used mainly for making connections to and from this angle should be evaluated. However, if it cost more than a thousand gold, as described Sony Ericsson W660i, it is difficult not to consider other features. But Let's start from scratch. Mobile phone Sony Ericsson W660i operates in three ranges of the GSM network and UMTS technology, so that you can exercise a call almost every place on earth. It gives us great mobility, even being on the equator and deserts of Australia will be able to connect to the home. What's useful, we do not need permanent access to an electrical outlet, the battery of the phone is quite strong-if not, we will disturb it, it should withstand about 15 days, with intense exercise is enough for about 5 hours of fun / calls. This is really a lot, and definitely should be enough for the average user. There have of course, voice or text-messaging and multimedia. But the mobile phone Sony Ericsson W660i can connect not only through the GSM network. We also have a Bluetooth connection, which enables us to exchange data with other phones and a connection through the USB cable, so that we can copy data from your computer. The last type is a WAP connection, which will take us into the Internet world. Since we are also a Web browser and mail client, we can not only download new games and wallpapers, but also view the HTML page or download and send e-mail. Unfortunately, the phone, despite its high price is not equipped with EDGE technology, which would allow for more rapid exchange of information. There is also an infrared connection. For those who say that the IrDA went to the granary - if your phone is new, it does not have Wi-Fi here, so the assessment of falls, whether we like IrDA or not.