Ability Score Increase. Your Constitution or Dexterity score increases by 2.

Age. Dwelves reach maturity at the same age as dwarves, but live to about 500 years old 

Alignment. Dwelves tend to stay away from politics and stray more towards neutral. 

Size. Dwelves range from under 5 to over 6 feet tall. Your size is Medium.

Speed: Your base walking speed is 30 ft.

Darkvision.

You have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

Versatile Build

You are proficient with Light and Medium armor.

Dwelven Weapons Training

You have proficiency with the shortbow, shortsword, light hammer,  warhammer, handaxe, and battleaxe.

Natural Explorer

You are particularly familiar with one type of natural environment and are adept at traveling and surviving in such regions. Choose one type of favored terrain: arctic, coast, desert, forest, grassland, mountain, swamp, or the Underdark. When you make an Intelligence or Wisdom check related to your favored terrain, your proficiency bonus is doubled if you are using a skill that you’re proficient in.

While traveling for an hour or more in your favored terrain, you gain the following benefits:

• Difficult terrain doesn’t slow your group’s travel.
• Your group can’t become lost except by magical means.
• Even when you are engaged in another activity while traveling (such as foraging, navigating, or tracking), you remain alert to danger.
• If you are traveling alone, you can move stealthily at a normal pace.
• When you forage, you find twice as much food as you normally would.
• While tracking other creatures, you also learn their exact number, their sizes, and how long ago they passed through the area.

Elven Will

You have advantage on saving throws against being charmed.

Crystal Wit

You gain proficiency in the History skill and in a check related to the origin of architecture or stonework, you have advantage on that roll. 

Languages.

You are able to speak, read and write Common, Dwarvish and Elvish. A dwelf that has drow or duergar heritage will also speak Undercommon.

Subrace.

Ancient divides among the elven people resulted in three main subraces: high elves, wood elves, and dark elves (drow). This also applies to the three main subraces of dwarves populate the worlds of D&D: hill dwarves, mountain dwarves, and gray dwarves (duergar). Choose from these subraces or one from another source.