Samsung Wafer R510 is a multi-media phone offered by Alltel Wireless. The Samsung Wafer includes such features as a music player, camera, and expandable memory card slot. The Samsung Wafer is similar to the popular Samsung Trace with the exception that the Samsung Wafer is intended for use with CDMA based providers. Another great feature that comes standard on the Samsung Wafer is the widely used ability to match a stereo Blue tooth headset with the phone, which enables users to enjoy the music player wirelessly. The Samsung Wafer is currently only available in CDMA format and the dimensions of the Samsung Wafer are 4.45" x 1.97" x 0.33" (113 x 50 x 8 mm) (BUT). This phone is carried by Alltel Wireless (CDMA Technology)