The Black-bearded Tomb Bat is a species of insectivorous bat with a pale buff to greyish-brown fur, while males also have a dark elongated patch on the throat.

They belong to the sheath-tailed bat family Emballonuridae and have a free slender tail which is up to 2.4 centimeters long. Its body and head measure a length of around 9 to 10 centimeters, whilst its wingspan is between 37 to 40 centimeters.

These Microbats generally live in colonies that roost in caves and rock crevices, such as these in the entryway of a temple cave in U-Thong.