A tallit, also pronounced tallis, and tefillin.
A tallit (טַלִּית) is a prayer shawl. Tefillin (תפילין) are phylacteries.
Boys* wear tzitzit (ציצית, also pronounced tzitzis), miniature prayer shawls that are worn always, not just when praying. Both men and boys wear skullcaps, which are also worn all the time. A skullcap goes by two names: kippah (כִּיפָּה) and yarmulke (יאַרמלקע).
*In Judaism, you are considered to be a man once you turn thirteen years old.
They pray separately in the synagogue.
There is no special belt for Jewish men. But some Jewish men wear "tseetsteet katan", which is an undershirt that has fringes at the bottom.
Orthodox Jewish men pray and sing to God.
Orthodox Jewish men sometimes do wear long robes.
Yes.
Dignified clothing.
It is a small hat that Males wear, the singular is 'kippah' andit is pronounced ( KEY-pah). 'Kippot' is the plural. Religiously observant Jewish men always wear a kippah while other Jewish men, and sometimes Jewish women, wear them while praying.
Men wear suits and ties, and women wear dresses or slacks.
Yes.
For reasons of modesty it is preferable to wear another color. Red is seen in Jewish tradtion as a color that catches the (men's) eye.
Jewish men wear a tallit (or tallis) during prayer services.
shoulder length