The M550 was a phone produced by the now defunct Sendo. It is a compact color mobile phone which features a smaller monochrome screen on the front. It features WAP support with color pictures and three games: Splat 2, TenPin and KombatKlub. It comes in a flip flop design and is available in a variety of front colors including blue, black, red and grey. The screen at the front is used for displaying the time and network info.