A terminal wearable by a user and a control method thereof are provided. The terminal includes: a body configured to wrap at least one region of a wrist and detachably formed a sensing unit disposed in one surface of the body and configured to sense a movement of at least one of tendons passing through the wrist and the wrist and a controller configured to generate a control signal for controlling an external device to execute a function previously matched to the sensed movement of the at least one of the tendons and the wrist.