This is Samsung’s ultra slim mobile phone U108 which measures only 105 x 50 x 5.9 mm. Samsung U108 is a tri-band GSM phone with EDGE and GPRS supports. It features a 3 Megapixel camera, a 1.93-inch LCD display, integrated music player that plays MP3/ACC/eAAC+/WMA music and MPEG4/H.263 video.
U108 supports also Bluetooth, USB 2.0 connectivity.
Update: The Samsung U108 is actually the same as Samsung Ultra Edition II 5.9 (U100).