The Unlocked Samsung E2510 (unlocked) quadband gsm world phone on sale is a sleek flip phone that has all the basic features covered. While at first glance it seems as though the device lacks the air of sophistication that other phones offer that is because all of the design effort went into focusing on the features. There are a bunch of essential additions that this phone offers including a memory card slot, 15 MB of internal memory, and a screen that displays a high resolution. The dimensions of the phone give it a slim edge which means that it is very portable. Finally the Bluetooth connectivity and USB 2.0 connection allow the user to attach a Bluetooth headset with ease and store files on the computer with the lightning fast 2.0 connection.